Home / 98,609.40-136,082.43-56,167.02

Finding the Fourth Proportional to 98,609.40, 136,082.43 and 56,167.02

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Solution

The fourth proportional to 98,609.40, 136,082.43 and 56,167.02 is: 77,511.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,609.40 : 136,082.43 = 56,167.02 : x
  2. Step 2: Convert to fraction form
    98,609.40/136,082.43 = 56,167.02/x
  3. Step 3: Cross multiply
    98,609.40x = 136,082.43 × 56,167.02
  4. Step 4: Simplify right side
    98,609.40x = 7,643,344,567.46
  5. Step 5: Solve for x
    x = 7,643,344,567.46/98,609.40
  6. Step 6: Final answer
    x = 77,511.32

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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.