Home / 99,342.83-137,083.29-56,313.83

Finding the Fourth Proportional to 99,342.83, 137,083.29 and 56,313.83

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Solution

The fourth proportional to 99,342.83, 137,083.29 and 56,313.83 is: 77,707.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,342.83 : 137,083.29 = 56,313.83 : x
  2. Step 2: Convert to fraction form
    99,342.83/137,083.29 = 56,313.83/x
  3. Step 3: Cross multiply
    99,342.83x = 137,083.29 × 56,313.83
  4. Step 4: Simplify right side
    99,342.83x = 7,719,685,220.43
  5. Step 5: Solve for x
    x = 7,719,685,220.43/99,342.83
  6. Step 6: Final answer
    x = 77,707.52

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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.