Home / 42,117.16-63,130.34-22,375.84

Finding the Fourth Proportional to 42,117.16, 63,130.34 and 22,375.84

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Solution

The fourth proportional to 42,117.16, 63,130.34 and 22,375.84 is: 33,539.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,117.16 : 63,130.34 = 22,375.84 : x
  2. Step 2: Convert to fraction form
    42,117.16/63,130.34 = 22,375.84/x
  3. Step 3: Cross multiply
    42,117.16x = 63,130.34 × 22,375.84
  4. Step 4: Simplify right side
    42,117.16x = 1,412,594,386.99
  5. Step 5: Solve for x
    x = 1,412,594,386.99/42,117.16
  6. Step 6: Final answer
    x = 33,539.64

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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.