Home / 98,575.32-136,035.24-56,134.02

Finding the Fourth Proportional to 98,575.32, 136,035.24 and 56,134.02

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Solution

The fourth proportional to 98,575.32, 136,035.24 and 56,134.02 is: 77,465.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,575.32 : 136,035.24 = 56,134.02 : x
  2. Step 2: Convert to fraction form
    98,575.32/136,035.24 = 56,134.02/x
  3. Step 3: Cross multiply
    98,575.32x = 136,035.24 × 56,134.02
  4. Step 4: Simplify right side
    98,575.32x = 7,636,204,882.86
  5. Step 5: Solve for x
    x = 7,636,204,882.86/98,575.32
  6. Step 6: Final answer
    x = 77,465.69

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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.