Home / 51,510.11-77,253.04-14,061.28

Finding the Fourth Proportional to 51,510.11, 77,253.04 and 14,061.28

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Solution

The fourth proportional to 51,510.11, 77,253.04 and 14,061.28 is: 21,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,510.11 : 77,253.04 = 14,061.28 : x
  2. Step 2: Convert to fraction form
    51,510.11/77,253.04 = 14,061.28/x
  3. Step 3: Cross multiply
    51,510.11x = 77,253.04 × 14,061.28
  4. Step 4: Simplify right side
    51,510.11x = 1,086,276,169.72
  5. Step 5: Solve for x
    x = 1,086,276,169.72/51,510.11
  6. Step 6: Final answer
    x = 21,088.60

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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.