Home / 97,288.72-144,965.91-86,677.18

Finding the Fourth Proportional to 97,288.72, 144,965.91 and 86,677.18

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Solution

The fourth proportional to 97,288.72, 144,965.91 and 86,677.18 is: 129,154.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,288.72 : 144,965.91 = 86,677.18 : x
  2. Step 2: Convert to fraction form
    97,288.72/144,965.91 = 86,677.18/x
  3. Step 3: Cross multiply
    97,288.72x = 144,965.91 × 86,677.18
  4. Step 4: Simplify right side
    97,288.72x = 12,565,236,274.93
  5. Step 5: Solve for x
    x = 12,565,236,274.93/97,288.72
  6. Step 6: Final answer
    x = 129,154.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.