Home / 66,933.91-92,293.08-42,702.48

Finding the Fourth Proportional to 66,933.91, 92,293.08 and 42,702.48

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Solution

The fourth proportional to 66,933.91, 92,293.08 and 42,702.48 is: 58,881.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,933.91 : 92,293.08 = 42,702.48 : x
  2. Step 2: Convert to fraction form
    66,933.91/92,293.08 = 42,702.48/x
  3. Step 3: Cross multiply
    66,933.91x = 92,293.08 × 42,702.48
  4. Step 4: Simplify right side
    66,933.91x = 3,941,143,402.84
  5. Step 5: Solve for x
    x = 3,941,143,402.84/66,933.91
  6. Step 6: Final answer
    x = 58,881.12

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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.