Home / 112,537.20-168,700.20-42,463.60

Finding the Fourth Proportional to 112,537.20, 168,700.20 and 42,463.60

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Solution

The fourth proportional to 112,537.20, 168,700.20 and 42,463.60 is: 63,655.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,537.20 : 168,700.20 = 42,463.60 : x
  2. Step 2: Convert to fraction form
    112,537.20/168,700.20 = 42,463.60/x
  3. Step 3: Cross multiply
    112,537.20x = 168,700.20 × 42,463.60
  4. Step 4: Simplify right side
    112,537.20x = 7,163,617,812.72
  5. Step 5: Solve for x
    x = 7,163,617,812.72/112,537.20
  6. Step 6: Final answer
    x = 63,655.55

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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.