Home / 66,751.12-92,116.30-36,124.15

Finding the Fourth Proportional to 66,751.12, 92,116.30 and 36,124.15

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Solution

The fourth proportional to 66,751.12, 92,116.30 and 36,124.15 is: 49,851.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,751.12 : 92,116.30 = 36,124.15 : x
  2. Step 2: Convert to fraction form
    66,751.12/92,116.30 = 36,124.15/x
  3. Step 3: Cross multiply
    66,751.12x = 92,116.30 × 36,124.15
  4. Step 4: Simplify right side
    66,751.12x = 3,327,623,038.65
  5. Step 5: Solve for x
    x = 3,327,623,038.65/66,751.12
  6. Step 6: Final answer
    x = 49,851.20

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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.