Home / 52,622.06-78,937.16-17,561.66

Finding the Fourth Proportional to 52,622.06, 78,937.16 and 17,561.66

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Solution

The fourth proportional to 52,622.06, 78,937.16 and 17,561.66 is: 26,343.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,622.06 : 78,937.16 = 17,561.66 : x
  2. Step 2: Convert to fraction form
    52,622.06/78,937.16 = 17,561.66/x
  3. Step 3: Cross multiply
    52,622.06x = 78,937.16 × 17,561.66
  4. Step 4: Simplify right side
    52,622.06x = 1,386,267,082.79
  5. Step 5: Solve for x
    x = 1,386,267,082.79/52,622.06
  6. Step 6: Final answer
    x = 26,343.84

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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.