Home / 81,432.82-112,384.53-45,622.60

Finding the Fourth Proportional to 81,432.82, 112,384.53 and 45,622.60

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Solution

The fourth proportional to 81,432.82, 112,384.53 and 45,622.60 is: 62,963.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,432.82 : 112,384.53 = 45,622.60 : x
  2. Step 2: Convert to fraction form
    81,432.82/112,384.53 = 45,622.60/x
  3. Step 3: Cross multiply
    81,432.82x = 112,384.53 × 45,622.60
  4. Step 4: Simplify right side
    81,432.82x = 5,127,274,458.38
  5. Step 5: Solve for x
    x = 5,127,274,458.38/81,432.82
  6. Step 6: Final answer
    x = 62,963.24

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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.