Home / 74,430.60-111,740.64-48,244.92

Finding the Fourth Proportional to 74,430.60, 111,740.64 and 48,244.92

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Solution

The fourth proportional to 74,430.60, 111,740.64 and 48,244.92 is: 72,428.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,430.60 : 111,740.64 = 48,244.92 : x
  2. Step 2: Convert to fraction form
    74,430.60/111,740.64 = 48,244.92/x
  3. Step 3: Cross multiply
    74,430.60x = 111,740.64 × 48,244.92
  4. Step 4: Simplify right side
    74,430.60x = 5,390,918,237.55
  5. Step 5: Solve for x
    x = 5,390,918,237.55/74,430.60
  6. Step 6: Final answer
    x = 72,428.79

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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.