Home / 42,223.08-63,343.65-15,569.15

Finding the Fourth Proportional to 42,223.08, 63,343.65 and 15,569.15

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Solution

The fourth proportional to 42,223.08, 63,343.65 and 15,569.15 is: 23,357.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,223.08 : 63,343.65 = 15,569.15 : x
  2. Step 2: Convert to fraction form
    42,223.08/63,343.65 = 15,569.15/x
  3. Step 3: Cross multiply
    42,223.08x = 63,343.65 × 15,569.15
  4. Step 4: Simplify right side
    42,223.08x = 986,206,530.06
  5. Step 5: Solve for x
    x = 986,206,530.06/42,223.08
  6. Step 6: Final answer
    x = 23,357.05

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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.