Home / 97,369.12-134,346-57,077.92

Finding the Fourth Proportional to 97,369.12, 134,346 and 57,077.92

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Solution

The fourth proportional to 97,369.12, 134,346 and 57,077.92 is: 78,753.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,369.12 : 134,346 = 57,077.92 : x
  2. Step 2: Convert to fraction form
    97,369.12/134,346 = 57,077.92/x
  3. Step 3: Cross multiply
    97,369.12x = 134,346 × 57,077.92
  4. Step 4: Simplify right side
    97,369.12x = 7,668,190,240.32
  5. Step 5: Solve for x
    x = 7,668,190,240.32/97,369.12
  6. Step 6: Final answer
    x = 78,753.82

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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.