Home / 76,871.35-106,042.13-62,547.18

Finding the Fourth Proportional to 76,871.35, 106,042.13 and 62,547.18

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Solution

The fourth proportional to 76,871.35, 106,042.13 and 62,547.18 is: 86,282.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,871.35 : 106,042.13 = 62,547.18 : x
  2. Step 2: Convert to fraction form
    76,871.35/106,042.13 = 62,547.18/x
  3. Step 3: Cross multiply
    76,871.35x = 106,042.13 × 62,547.18
  4. Step 4: Simplify right side
    76,871.35x = 6,632,635,349.75
  5. Step 5: Solve for x
    x = 6,632,635,349.75/76,871.35
  6. Step 6: Final answer
    x = 86,282.28

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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.