Home / 81,362.07-112,278.45-45,060.06

Finding the Fourth Proportional to 81,362.07, 112,278.45 and 45,060.06

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Solution

The fourth proportional to 81,362.07, 112,278.45 and 45,060.06 is: 62,182.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,362.07 : 112,278.45 = 45,060.06 : x
  2. Step 2: Convert to fraction form
    81,362.07/112,278.45 = 45,060.06/x
  3. Step 3: Cross multiply
    81,362.07x = 112,278.45 × 45,060.06
  4. Step 4: Simplify right side
    81,362.07x = 5,059,273,693.71
  5. Step 5: Solve for x
    x = 5,059,273,693.71/81,362.07
  6. Step 6: Final answer
    x = 62,182.21

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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.