Home / 99,785.76-136,602.09-99,073.62

Finding the Fourth Proportional to 99,785.76, 136,602.09 and 99,073.62

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Solution

The fourth proportional to 99,785.76, 136,602.09 and 99,073.62 is: 135,627.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,785.76 : 136,602.09 = 99,073.62 : x
  2. Step 2: Convert to fraction form
    99,785.76/136,602.09 = 99,073.62/x
  3. Step 3: Cross multiply
    99,785.76x = 136,602.09 × 99,073.62
  4. Step 4: Simplify right side
    99,785.76x = 13,533,663,555.87
  5. Step 5: Solve for x
    x = 13,533,663,555.87/99,785.76
  6. Step 6: Final answer
    x = 135,627.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.