Home / 85,193.12-127,809.12-26,037.20

Finding the Fourth Proportional to 85,193.12, 127,809.12 and 26,037.20

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Solution

The fourth proportional to 85,193.12, 127,809.12 and 26,037.20 is: 39,061.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,193.12 : 127,809.12 = 26,037.20 : x
  2. Step 2: Convert to fraction form
    85,193.12/127,809.12 = 26,037.20/x
  3. Step 3: Cross multiply
    85,193.12x = 127,809.12 × 26,037.20
  4. Step 4: Simplify right side
    85,193.12x = 3,327,791,619.26
  5. Step 5: Solve for x
    x = 3,327,791,619.26/85,193.12
  6. Step 6: Final answer
    x = 39,061.74

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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.