Home / 99,055.14-136,612.92-65,037.54

Finding the Fourth Proportional to 99,055.14, 136,612.92 and 65,037.54

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Solution

The fourth proportional to 99,055.14, 136,612.92 and 65,037.54 is: 89,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,055.14 : 136,612.92 = 65,037.54 : x
  2. Step 2: Convert to fraction form
    99,055.14/136,612.92 = 65,037.54/x
  3. Step 3: Cross multiply
    99,055.14x = 136,612.92 × 65,037.54
  4. Step 4: Simplify right side
    99,055.14x = 8,884,968,249.02
  5. Step 5: Solve for x
    x = 8,884,968,249.02/99,055.14
  6. Step 6: Final answer
    x = 89,697.20

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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.