Home / 97,116.57-134,031.11-56,843.37

Finding the Fourth Proportional to 97,116.57, 134,031.11 and 56,843.37

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Solution

The fourth proportional to 97,116.57, 134,031.11 and 56,843.37 is: 78,449.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,116.57 : 134,031.11 = 56,843.37 : x
  2. Step 2: Convert to fraction form
    97,116.57/134,031.11 = 56,843.37/x
  3. Step 3: Cross multiply
    97,116.57x = 134,031.11 × 56,843.37
  4. Step 4: Simplify right side
    97,116.57x = 7,618,779,693.02
  5. Step 5: Solve for x
    x = 7,618,779,693.02/97,116.57
  6. Step 6: Final answer
    x = 78,449.84

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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.