Home / 97,977.52-135,210.56-55,535.16

Finding the Fourth Proportional to 97,977.52, 135,210.56 and 55,535.16

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Solution

The fourth proportional to 97,977.52, 135,210.56 and 55,535.16 is: 76,639.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,977.52 : 135,210.56 = 55,535.16 : x
  2. Step 2: Convert to fraction form
    97,977.52/135,210.56 = 55,535.16/x
  3. Step 3: Cross multiply
    97,977.52x = 135,210.56 × 55,535.16
  4. Step 4: Simplify right side
    97,977.52x = 7,508,940,083.29
  5. Step 5: Solve for x
    x = 7,508,940,083.29/97,977.52
  6. Step 6: Final answer
    x = 76,639.42

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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.