Home / 66,360.06-91,576.17-38,070.18

Finding the Fourth Proportional to 66,360.06, 91,576.17 and 38,070.18

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Solution

The fourth proportional to 66,360.06, 91,576.17 and 38,070.18 is: 52,536.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,360.06 : 91,576.17 = 38,070.18 : x
  2. Step 2: Convert to fraction form
    66,360.06/91,576.17 = 38,070.18/x
  3. Step 3: Cross multiply
    66,360.06x = 91,576.17 × 38,070.18
  4. Step 4: Simplify right side
    66,360.06x = 3,486,321,275.61
  5. Step 5: Solve for x
    x = 3,486,321,275.61/66,360.06
  6. Step 6: Final answer
    x = 52,536.44

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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.