Home / 94,915.42-130,979.12-54,630.47

Finding the Fourth Proportional to 94,915.42, 130,979.12 and 54,630.47

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Solution

The fourth proportional to 94,915.42, 130,979.12 and 54,630.47 is: 75,387.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,915.42 : 130,979.12 = 54,630.47 : x
  2. Step 2: Convert to fraction form
    94,915.42/130,979.12 = 54,630.47/x
  3. Step 3: Cross multiply
    94,915.42x = 130,979.12 × 54,630.47
  4. Step 4: Simplify right side
    94,915.42x = 7,155,451,349.81
  5. Step 5: Solve for x
    x = 7,155,451,349.81/94,915.42
  6. Step 6: Final answer
    x = 75,387.66

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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.