Home / 66,746.88-92,115.36-42,881.04

Finding the Fourth Proportional to 66,746.88, 92,115.36 and 42,881.04

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Solution

The fourth proportional to 66,746.88, 92,115.36 and 42,881.04 is: 59,178.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,746.88 : 92,115.36 = 42,881.04 : x
  2. Step 2: Convert to fraction form
    66,746.88/92,115.36 = 42,881.04/x
  3. Step 3: Cross multiply
    66,746.88x = 92,115.36 × 42,881.04
  4. Step 4: Simplify right side
    66,746.88x = 3,950,002,436.77
  5. Step 5: Solve for x
    x = 3,950,002,436.77/66,746.88
  6. Step 6: Final answer
    x = 59,178.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.