Home / 72,686.84-109,030.26-22,767.36

Finding the Fourth Proportional to 72,686.84, 109,030.26 and 22,767.36

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Solution

The fourth proportional to 72,686.84, 109,030.26 and 22,767.36 is: 34,151.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,686.84 : 109,030.26 = 22,767.36 : x
  2. Step 2: Convert to fraction form
    72,686.84/109,030.26 = 22,767.36/x
  3. Step 3: Cross multiply
    72,686.84x = 109,030.26 × 22,767.36
  4. Step 4: Simplify right side
    72,686.84x = 2,482,331,180.31
  5. Step 5: Solve for x
    x = 2,482,331,180.31/72,686.84
  6. Step 6: Final answer
    x = 34,151.04

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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.