Home / 56,306.71-77,767.04-38,370.58

Finding the Fourth Proportional to 56,306.71, 77,767.04 and 38,370.58

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Solution

The fourth proportional to 56,306.71, 77,767.04 and 38,370.58 is: 52,994.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,306.71 : 77,767.04 = 38,370.58 : x
  2. Step 2: Convert to fraction form
    56,306.71/77,767.04 = 38,370.58/x
  3. Step 3: Cross multiply
    56,306.71x = 77,767.04 × 38,370.58
  4. Step 4: Simplify right side
    56,306.71x = 2,983,966,115.36
  5. Step 5: Solve for x
    x = 2,983,966,115.36/56,306.71
  6. Step 6: Final answer
    x = 52,994.86

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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.