Home / 79,085.50-118,628.25-34,712.63

Finding the Fourth Proportional to 79,085.50, 118,628.25 and 34,712.63

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Solution

The fourth proportional to 79,085.50, 118,628.25 and 34,712.63 is: 52,068.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,085.50 : 118,628.25 = 34,712.63 : x
  2. Step 2: Convert to fraction form
    79,085.50/118,628.25 = 34,712.63/x
  3. Step 3: Cross multiply
    79,085.50x = 118,628.25 × 34,712.63
  4. Step 4: Simplify right side
    79,085.50x = 4,117,898,938.62
  5. Step 5: Solve for x
    x = 4,117,898,938.62/79,085.50
  6. Step 6: Final answer
    x = 52,068.95

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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.