Home / 66,335.10-99,514.80-26,896.20

Finding the Fourth Proportional to 66,335.10, 99,514.80 and 26,896.20

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Solution

The fourth proportional to 66,335.10, 99,514.80 and 26,896.20 is: 40,349.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,335.10 : 99,514.80 = 26,896.20 : x
  2. Step 2: Convert to fraction form
    66,335.10/99,514.80 = 26,896.20/x
  3. Step 3: Cross multiply
    66,335.10x = 99,514.80 × 26,896.20
  4. Step 4: Simplify right side
    66,335.10x = 2,676,569,963.76
  5. Step 5: Solve for x
    x = 2,676,569,963.76/66,335.10
  6. Step 6: Final answer
    x = 40,349.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.