Home / 95,385.08-142,980.42-42,780.44

Finding the Fourth Proportional to 95,385.08, 142,980.42 and 42,780.44

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Solution

The fourth proportional to 95,385.08, 142,980.42 and 42,780.44 is: 64,127.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,385.08 : 142,980.42 = 42,780.44 : x
  2. Step 2: Convert to fraction form
    95,385.08/142,980.42 = 42,780.44/x
  3. Step 3: Cross multiply
    95,385.08x = 142,980.42 × 42,780.44
  4. Step 4: Simplify right side
    95,385.08x = 6,116,765,278.98
  5. Step 5: Solve for x
    x = 6,116,765,278.98/95,385.08
  6. Step 6: Final answer
    x = 64,127.07

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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.