Home / 96,774.10-144,869.55-85,110.10

Finding the Fourth Proportional to 96,774.10, 144,869.55 and 85,110.10

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Solution

The fourth proportional to 96,774.10, 144,869.55 and 85,110.10 is: 127,408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,774.10 : 144,869.55 = 85,110.10 : x
  2. Step 2: Convert to fraction form
    96,774.10/144,869.55 = 85,110.10/x
  3. Step 3: Cross multiply
    96,774.10x = 144,869.55 × 85,110.10
  4. Step 4: Simplify right side
    96,774.10x = 12,329,861,887.46
  5. Step 5: Solve for x
    x = 12,329,861,887.46/96,774.10
  6. Step 6: Final answer
    x = 127,408.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.