Home / 66,957.32-92,397.12-38,280.08

Finding the Fourth Proportional to 66,957.32, 92,397.12 and 38,280.08

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Solution

The fourth proportional to 66,957.32, 92,397.12 and 38,280.08 is: 52,824.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,957.32 : 92,397.12 = 38,280.08 : x
  2. Step 2: Convert to fraction form
    66,957.32/92,397.12 = 38,280.08/x
  3. Step 3: Cross multiply
    66,957.32x = 92,397.12 × 38,280.08
  4. Step 4: Simplify right side
    66,957.32x = 3,536,969,145.37
  5. Step 5: Solve for x
    x = 3,536,969,145.37/66,957.32
  6. Step 6: Final answer
    x = 52,824.23

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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.