Home / 95,250.60-142,730.10-90,001.80

Finding the Fourth Proportional to 95,250.60, 142,730.10 and 90,001.80

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Solution

The fourth proportional to 95,250.60, 142,730.10 and 90,001.80 is: 134,864.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,250.60 : 142,730.10 = 90,001.80 : x
  2. Step 2: Convert to fraction form
    95,250.60/142,730.10 = 90,001.80/x
  3. Step 3: Cross multiply
    95,250.60x = 142,730.10 × 90,001.80
  4. Step 4: Simplify right side
    95,250.60x = 12,845,965,914.18
  5. Step 5: Solve for x
    x = 12,845,965,914.18/95,250.60
  6. Step 6: Final answer
    x = 134,864.93

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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.