Home / 98,037.56-135,255.18-57,726.68

Finding the Fourth Proportional to 98,037.56, 135,255.18 and 57,726.68

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Solution

The fourth proportional to 98,037.56, 135,255.18 and 57,726.68 is: 79,641.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,037.56 : 135,255.18 = 57,726.68 : x
  2. Step 2: Convert to fraction form
    98,037.56/135,255.18 = 57,726.68/x
  3. Step 3: Cross multiply
    98,037.56x = 135,255.18 × 57,726.68
  4. Step 4: Simplify right side
    98,037.56x = 7,807,832,494.20
  5. Step 5: Solve for x
    x = 7,807,832,494.20/98,037.56
  6. Step 6: Final answer
    x = 79,641.24

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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.