Home / 47,398.12-70,888.04-42,169.82

Finding the Fourth Proportional to 47,398.12, 70,888.04 and 42,169.82

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Solution

The fourth proportional to 47,398.12, 70,888.04 and 42,169.82 is: 63,068.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,398.12 : 70,888.04 = 42,169.82 : x
  2. Step 2: Convert to fraction form
    47,398.12/70,888.04 = 42,169.82/x
  3. Step 3: Cross multiply
    47,398.12x = 70,888.04 × 42,169.82
  4. Step 4: Simplify right side
    47,398.12x = 2,989,335,745.63
  5. Step 5: Solve for x
    x = 2,989,335,745.63/47,398.12
  6. Step 6: Final answer
    x = 63,068.66

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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.