Home / 94,287.74-130,079.90-53,979.70

Finding the Fourth Proportional to 94,287.74, 130,079.90 and 53,979.70

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Solution

The fourth proportional to 94,287.74, 130,079.90 and 53,979.70 is: 74,470.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,287.74 : 130,079.90 = 53,979.70 : x
  2. Step 2: Convert to fraction form
    94,287.74/130,079.90 = 53,979.70/x
  3. Step 3: Cross multiply
    94,287.74x = 130,079.90 × 53,979.70
  4. Step 4: Simplify right side
    94,287.74x = 7,021,673,978.03
  5. Step 5: Solve for x
    x = 7,021,673,978.03/94,287.74
  6. Step 6: Final answer
    x = 74,470.70

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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.