Home / 66,622.12-91,895.14-42,710.92

Finding the Fourth Proportional to 66,622.12, 91,895.14 and 42,710.92

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Solution

The fourth proportional to 66,622.12, 91,895.14 and 42,710.92 is: 58,913.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,622.12 : 91,895.14 = 42,710.92 : x
  2. Step 2: Convert to fraction form
    66,622.12/91,895.14 = 42,710.92/x
  3. Step 3: Cross multiply
    66,622.12x = 91,895.14 × 42,710.92
  4. Step 4: Simplify right side
    66,622.12x = 3,924,925,972.93
  5. Step 5: Solve for x
    x = 3,924,925,972.93/66,622.12
  6. Step 6: Final answer
    x = 58,913.26

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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.