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Finding the Fourth Proportional to 84,838.25, 127,245.76 and 46,957.59

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Solution

The fourth proportional to 84,838.25, 127,245.76 and 46,957.59 is: 70,429.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,838.25 : 127,245.76 = 46,957.59 : x
  2. Step 2: Convert to fraction form
    84,838.25/127,245.76 = 46,957.59/x
  3. Step 3: Cross multiply
    84,838.25x = 127,245.76 × 46,957.59
  4. Step 4: Simplify right side
    84,838.25x = 5,975,154,109.92
  5. Step 5: Solve for x
    x = 5,975,154,109.92/84,838.25
  6. Step 6: Final answer
    x = 70,429.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.