Home / 101,591.10-152,348.94-42,430.74

Finding the Fourth Proportional to 101,591.10, 152,348.94 and 42,430.74

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Solution

The fourth proportional to 101,591.10, 152,348.94 and 42,430.74 is: 63,630.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,591.10 : 152,348.94 = 42,430.74 : x
  2. Step 2: Convert to fraction form
    101,591.10/152,348.94 = 42,430.74/x
  3. Step 3: Cross multiply
    101,591.10x = 152,348.94 × 42,430.74
  4. Step 4: Simplify right side
    101,591.10x = 6,464,278,262.42
  5. Step 5: Solve for x
    x = 6,464,278,262.42/101,591.10
  6. Step 6: Final answer
    x = 63,630.36

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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.