Home / 95,420.10-143,130.15-60,399.30

Finding the Fourth Proportional to 95,420.10, 143,130.15 and 60,399.30

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Solution

The fourth proportional to 95,420.10, 143,130.15 and 60,399.30 is: 90,598.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,420.10 : 143,130.15 = 60,399.30 : x
  2. Step 2: Convert to fraction form
    95,420.10/143,130.15 = 60,399.30/x
  3. Step 3: Cross multiply
    95,420.10x = 143,130.15 × 60,399.30
  4. Step 4: Simplify right side
    95,420.10x = 8,644,960,868.90
  5. Step 5: Solve for x
    x = 8,644,960,868.90/95,420.10
  6. Step 6: Final answer
    x = 90,598.95

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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.