Home / 77,275.62-106,642.98-43,283.70

Finding the Fourth Proportional to 77,275.62, 106,642.98 and 43,283.70

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Solution

The fourth proportional to 77,275.62, 106,642.98 and 43,283.70 is: 59,732.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,275.62 : 106,642.98 = 43,283.70 : x
  2. Step 2: Convert to fraction form
    77,275.62/106,642.98 = 43,283.70/x
  3. Step 3: Cross multiply
    77,275.62x = 106,642.98 × 43,283.70
  4. Step 4: Simplify right side
    77,275.62x = 4,615,902,753.43
  5. Step 5: Solve for x
    x = 4,615,902,753.43/77,275.62
  6. Step 6: Final answer
    x = 59,732.98

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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.