Home / 58,010.10-87,117.55-42,445.30

Finding the Fourth Proportional to 58,010.10, 87,117.55 and 42,445.30

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Solution

The fourth proportional to 58,010.10, 87,117.55 and 42,445.30 is: 63,742.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,010.10 : 87,117.55 = 42,445.30 : x
  2. Step 2: Convert to fraction form
    58,010.10/87,117.55 = 42,445.30/x
  3. Step 3: Cross multiply
    58,010.10x = 87,117.55 × 42,445.30
  4. Step 4: Simplify right side
    58,010.10x = 3,697,730,545.02
  5. Step 5: Solve for x
    x = 3,697,730,545.02/58,010.10
  6. Step 6: Final answer
    x = 63,742.87

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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.