Home / 97,314.48-134,289.90-54,876.96

Finding the Fourth Proportional to 97,314.48, 134,289.90 and 54,876.96

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Solution

The fourth proportional to 97,314.48, 134,289.90 and 54,876.96 is: 75,727.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,314.48 : 134,289.90 = 54,876.96 : x
  2. Step 2: Convert to fraction form
    97,314.48/134,289.90 = 54,876.96/x
  3. Step 3: Cross multiply
    97,314.48x = 134,289.90 × 54,876.96
  4. Step 4: Simplify right side
    97,314.48x = 7,369,421,470.70
  5. Step 5: Solve for x
    x = 7,369,421,470.70/97,314.48
  6. Step 6: Final answer
    x = 75,727.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.