Home / 70,272.18-105,422.37-25,899.15

Finding the Fourth Proportional to 70,272.18, 105,422.37 and 25,899.15

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Solution

The fourth proportional to 70,272.18, 105,422.37 and 25,899.15 is: 38,853.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,272.18 : 105,422.37 = 25,899.15 : x
  2. Step 2: Convert to fraction form
    70,272.18/105,422.37 = 25,899.15/x
  3. Step 3: Cross multiply
    70,272.18x = 105,422.37 × 25,899.15
  4. Step 4: Simplify right side
    70,272.18x = 2,730,349,773.99
  5. Step 5: Solve for x
    x = 2,730,349,773.99/70,272.18
  6. Step 6: Final answer
    x = 38,853.92

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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.