Home / 99,319.01-137,057.34-56,302.49

Finding the Fourth Proportional to 99,319.01, 137,057.34 and 56,302.49

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Solution

The fourth proportional to 99,319.01, 137,057.34 and 56,302.49 is: 77,695.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,319.01 : 137,057.34 = 56,302.49 : x
  2. Step 2: Convert to fraction form
    99,319.01/137,057.34 = 56,302.49/x
  3. Step 3: Cross multiply
    99,319.01x = 137,057.34 × 56,302.49
  4. Step 4: Simplify right side
    99,319.01x = 7,716,668,829.49
  5. Step 5: Solve for x
    x = 7,716,668,829.49/99,319.01
  6. Step 6: Final answer
    x = 77,695.79

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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.