Home / 62,811.72-86,757.12-46,966.68

Finding the Fourth Proportional to 62,811.72, 86,757.12 and 46,966.68

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Solution

The fourth proportional to 62,811.72, 86,757.12 and 46,966.68 is: 64,871.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,811.72 : 86,757.12 = 46,966.68 : x
  2. Step 2: Convert to fraction form
    62,811.72/86,757.12 = 46,966.68/x
  3. Step 3: Cross multiply
    62,811.72x = 86,757.12 × 46,966.68
  4. Step 4: Simplify right side
    62,811.72x = 4,074,693,892.76
  5. Step 5: Solve for x
    x = 4,074,693,892.76/62,811.72
  6. Step 6: Final answer
    x = 64,871.55

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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.