Home / 98,658.30-136,148.13-56,224.02

Finding the Fourth Proportional to 98,658.30, 136,148.13 and 56,224.02

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Solution

The fourth proportional to 98,658.30, 136,148.13 and 56,224.02 is: 77,588.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,658.30 : 136,148.13 = 56,224.02 : x
  2. Step 2: Convert to fraction form
    98,658.30/136,148.13 = 56,224.02/x
  3. Step 3: Cross multiply
    98,658.30x = 136,148.13 × 56,224.02
  4. Step 4: Simplify right side
    98,658.30x = 7,654,795,184.08
  5. Step 5: Solve for x
    x = 7,654,795,184.08/98,658.30
  6. Step 6: Final answer
    x = 77,588.96

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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.