Home / 99,097.60-148,444.80-61,542.40

Finding the Fourth Proportional to 99,097.60, 148,444.80 and 61,542.40

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Solution

The fourth proportional to 99,097.60, 148,444.80 and 61,542.40 is: 92,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,097.60 : 148,444.80 = 61,542.40 : x
  2. Step 2: Convert to fraction form
    99,097.60/148,444.80 = 61,542.40/x
  3. Step 3: Cross multiply
    99,097.60x = 148,444.80 × 61,542.40
  4. Step 4: Simplify right side
    99,097.60x = 9,135,649,259.52
  5. Step 5: Solve for x
    x = 9,135,649,259.52/99,097.60
  6. Step 6: Final answer
    x = 92,188.40

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1.5x scale

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.