Home / 98,935.83-136,548.99-75,022.20

Finding the Fourth Proportional to 98,935.83, 136,548.99 and 75,022.20

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Solution

The fourth proportional to 98,935.83, 136,548.99 and 75,022.20 is: 103,543.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,935.83 : 136,548.99 = 75,022.20 : x
  2. Step 2: Convert to fraction form
    98,935.83/136,548.99 = 75,022.20/x
  3. Step 3: Cross multiply
    98,935.83x = 136,548.99 × 75,022.20
  4. Step 4: Simplify right side
    98,935.83x = 10,244,205,637.58
  5. Step 5: Solve for x
    x = 10,244,205,637.58/98,935.83
  6. Step 6: Final answer
    x = 103,543.94

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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.