Home / 91,484.16-137,007.18-58,099.74

Finding the Fourth Proportional to 91,484.16, 137,007.18 and 58,099.74

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Solution

The fourth proportional to 91,484.16, 137,007.18 and 58,099.74 is: 87,010.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,484.16 : 137,007.18 = 58,099.74 : x
  2. Step 2: Convert to fraction form
    91,484.16/137,007.18 = 58,099.74/x
  3. Step 3: Cross multiply
    91,484.16x = 137,007.18 × 58,099.74
  4. Step 4: Simplify right side
    91,484.16x = 7,960,081,536.13
  5. Step 5: Solve for x
    x = 7,960,081,536.13/91,484.16
  6. Step 6: Final answer
    x = 87,010.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.