Home / 91,937.01-126,762.69-66,402.57

Finding the Fourth Proportional to 91,937.01, 126,762.69 and 66,402.57

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Solution

The fourth proportional to 91,937.01, 126,762.69 and 66,402.57 is: 91,555.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,937.01 : 126,762.69 = 66,402.57 : x
  2. Step 2: Convert to fraction form
    91,937.01/126,762.69 = 66,402.57/x
  3. Step 3: Cross multiply
    91,937.01x = 126,762.69 × 66,402.57
  4. Step 4: Simplify right side
    91,937.01x = 8,417,368,396.11
  5. Step 5: Solve for x
    x = 8,417,368,396.11/91,937.01
  6. Step 6: Final answer
    x = 91,555.82

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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.