Home / 86,226.64-129,372.02-38,827.46

Finding the Fourth Proportional to 86,226.64, 129,372.02 and 38,827.46

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Solution

The fourth proportional to 86,226.64, 129,372.02 and 38,827.46 is: 58,255.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,226.64 : 129,372.02 = 38,827.46 : x
  2. Step 2: Convert to fraction form
    86,226.64/129,372.02 = 38,827.46/x
  3. Step 3: Cross multiply
    86,226.64x = 129,372.02 × 38,827.46
  4. Step 4: Simplify right side
    86,226.64x = 5,023,186,931.67
  5. Step 5: Solve for x
    x = 5,023,186,931.67/86,226.64
  6. Step 6: Final answer
    x = 58,255.63

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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.