Home / 72,943.46-100,690.97-62,693.93

Finding the Fourth Proportional to 72,943.46, 100,690.97 and 62,693.93

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Solution

The fourth proportional to 72,943.46, 100,690.97 and 62,693.93 is: 86,542.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,943.46 : 100,690.97 = 62,693.93 : x
  2. Step 2: Convert to fraction form
    72,943.46/100,690.97 = 62,693.93/x
  3. Step 3: Cross multiply
    72,943.46x = 100,690.97 × 62,693.93
  4. Step 4: Simplify right side
    72,943.46x = 6,312,711,807.89
  5. Step 5: Solve for x
    x = 6,312,711,807.89/72,943.46
  6. Step 6: Final answer
    x = 86,542.53

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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.