Home / 97,758.96-134,972.67-65,916.24

Finding the Fourth Proportional to 97,758.96, 134,972.67 and 65,916.24

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Solution

The fourth proportional to 97,758.96, 134,972.67 and 65,916.24 is: 91,008.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,758.96 : 134,972.67 = 65,916.24 : x
  2. Step 2: Convert to fraction form
    97,758.96/134,972.67 = 65,916.24/x
  3. Step 3: Cross multiply
    97,758.96x = 134,972.67 × 65,916.24
  4. Step 4: Simplify right side
    97,758.96x = 8,896,890,909.16
  5. Step 5: Solve for x
    x = 8,896,890,909.16/97,758.96
  6. Step 6: Final answer
    x = 91,008.44

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1.5x scale

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.