Home / 95,021.80-142,475.10-47,581.72

Finding the Fourth Proportional to 95,021.80, 142,475.10 and 47,581.72

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Solution

The fourth proportional to 95,021.80, 142,475.10 and 47,581.72 is: 71,343.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,021.80 : 142,475.10 = 47,581.72 : x
  2. Step 2: Convert to fraction form
    95,021.80/142,475.10 = 47,581.72/x
  3. Step 3: Cross multiply
    95,021.80x = 142,475.10 × 47,581.72
  4. Step 4: Simplify right side
    95,021.80x = 6,779,210,315.17
  5. Step 5: Solve for x
    x = 6,779,210,315.17/95,021.80
  6. Step 6: Final answer
    x = 71,343.74

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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.