Home / 66,774.18-92,143.66-38,087.23

Finding the Fourth Proportional to 66,774.18, 92,143.66 and 38,087.23

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Solution

The fourth proportional to 66,774.18, 92,143.66 and 38,087.23 is: 52,557.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,774.18 : 92,143.66 = 38,087.23 : x
  2. Step 2: Convert to fraction form
    66,774.18/92,143.66 = 38,087.23/x
  3. Step 3: Cross multiply
    66,774.18x = 92,143.66 × 38,087.23
  4. Step 4: Simplify right side
    66,774.18x = 3,509,497,045.11
  5. Step 5: Solve for x
    x = 3,509,497,045.11/66,774.18
  6. Step 6: Final answer
    x = 52,557.70

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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.