Home / 75,659.28-104,374.71-48,810.42

Finding the Fourth Proportional to 75,659.28, 104,374.71 and 48,810.42

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Solution

The fourth proportional to 75,659.28, 104,374.71 and 48,810.42 is: 67,335.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,659.28 : 104,374.71 = 48,810.42 : x
  2. Step 2: Convert to fraction form
    75,659.28/104,374.71 = 48,810.42/x
  3. Step 3: Cross multiply
    75,659.28x = 104,374.71 × 48,810.42
  4. Step 4: Simplify right side
    75,659.28x = 5,094,573,432.48
  5. Step 5: Solve for x
    x = 5,094,573,432.48/75,659.28
  6. Step 6: Final answer
    x = 67,335.74

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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.