Home / 98,230.08-135,572.96-57,948.40

Finding the Fourth Proportional to 98,230.08, 135,572.96 and 57,948.40

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Solution

The fourth proportional to 98,230.08, 135,572.96 and 57,948.40 is: 79,977.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,230.08 : 135,572.96 = 57,948.40 : x
  2. Step 2: Convert to fraction form
    98,230.08/135,572.96 = 57,948.40/x
  3. Step 3: Cross multiply
    98,230.08x = 135,572.96 × 57,948.40
  4. Step 4: Simplify right side
    98,230.08x = 7,856,236,115.26
  5. Step 5: Solve for x
    x = 7,856,236,115.26/98,230.08
  6. Step 6: Final answer
    x = 79,977.91

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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.