Home / 95,421.60-143,132.40-56,023.20

Finding the Fourth Proportional to 95,421.60, 143,132.40 and 56,023.20

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Solution

The fourth proportional to 95,421.60, 143,132.40 and 56,023.20 is: 84,034.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,421.60 : 143,132.40 = 56,023.20 : x
  2. Step 2: Convert to fraction form
    95,421.60/143,132.40 = 56,023.20/x
  3. Step 3: Cross multiply
    95,421.60x = 143,132.40 × 56,023.20
  4. Step 4: Simplify right side
    95,421.60x = 8,018,735,071.68
  5. Step 5: Solve for x
    x = 8,018,735,071.68/95,421.60
  6. Step 6: Final answer
    x = 84,034.80

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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.