Home / 57,842.40-86,677.20-49,029.60

Finding the Fourth Proportional to 57,842.40, 86,677.20 and 49,029.60

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Solution

The fourth proportional to 57,842.40, 86,677.20 and 49,029.60 is: 73,471.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,842.40 : 86,677.20 = 49,029.60 : x
  2. Step 2: Convert to fraction form
    57,842.40/86,677.20 = 49,029.60/x
  3. Step 3: Cross multiply
    57,842.40x = 86,677.20 × 49,029.60
  4. Step 4: Simplify right side
    57,842.40x = 4,249,748,445.12
  5. Step 5: Solve for x
    x = 4,249,748,445.12/57,842.40
  6. Step 6: Final answer
    x = 73,471.16

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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.