Home / 99,225.48-136,930.60-53,903.10

Finding the Fourth Proportional to 99,225.48, 136,930.60 and 53,903.10

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Solution

The fourth proportional to 99,225.48, 136,930.60 and 53,903.10 is: 74,385.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,225.48 : 136,930.60 = 53,903.10 : x
  2. Step 2: Convert to fraction form
    99,225.48/136,930.60 = 53,903.10/x
  3. Step 3: Cross multiply
    99,225.48x = 136,930.60 × 53,903.10
  4. Step 4: Simplify right side
    99,225.48x = 7,380,983,824.86
  5. Step 5: Solve for x
    x = 7,380,983,824.86/99,225.48
  6. Step 6: Final answer
    x = 74,385.97

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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.