Home / 82,970.04-114,557.58-51,148.92

Finding the Fourth Proportional to 82,970.04, 114,557.58 and 51,148.92

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Solution

The fourth proportional to 82,970.04, 114,557.58 and 51,148.92 is: 70,621.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,970.04 : 114,557.58 = 51,148.92 : x
  2. Step 2: Convert to fraction form
    82,970.04/114,557.58 = 51,148.92/x
  3. Step 3: Cross multiply
    82,970.04x = 114,557.58 × 51,148.92
  4. Step 4: Simplify right side
    82,970.04x = 5,859,496,494.81
  5. Step 5: Solve for x
    x = 5,859,496,494.81/82,970.04
  6. Step 6: Final answer
    x = 70,621.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.