Home / 66,979.95-92,435.61-36,764.95

Finding the Fourth Proportional to 66,979.95, 92,435.61 and 36,764.95

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Solution

The fourth proportional to 66,979.95, 92,435.61 and 36,764.95 is: 50,737.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,979.95 : 92,435.61 = 36,764.95 : x
  2. Step 2: Convert to fraction form
    66,979.95/92,435.61 = 36,764.95/x
  3. Step 3: Cross multiply
    66,979.95x = 92,435.61 × 36,764.95
  4. Step 4: Simplify right side
    66,979.95x = 3,398,390,479.75
  5. Step 5: Solve for x
    x = 3,398,390,479.75/66,979.95
  6. Step 6: Final answer
    x = 50,737.43

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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.