Home / 110,551.23-152,561.21-62,807.20

Finding the Fourth Proportional to 110,551.23, 152,561.21 and 62,807.20

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Solution

The fourth proportional to 110,551.23, 152,561.21 and 62,807.20 is: 86,674.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,551.23 : 152,561.21 = 62,807.20 : x
  2. Step 2: Convert to fraction form
    110,551.23/152,561.21 = 62,807.20/x
  3. Step 3: Cross multiply
    110,551.23x = 152,561.21 × 62,807.20
  4. Step 4: Simplify right side
    110,551.23x = 9,581,941,351.87
  5. Step 5: Solve for x
    x = 9,581,941,351.87/110,551.23
  6. Step 6: Final answer
    x = 86,674.22

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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.