Home / 68,287.93-94,281.47-47,833.30

Finding the Fourth Proportional to 68,287.93, 94,281.47 and 47,833.30

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Solution

The fourth proportional to 68,287.93, 94,281.47 and 47,833.30 is: 66,040.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,287.93 : 94,281.47 = 47,833.30 : x
  2. Step 2: Convert to fraction form
    68,287.93/94,281.47 = 47,833.30/x
  3. Step 3: Cross multiply
    68,287.93x = 94,281.47 × 47,833.30
  4. Step 4: Simplify right side
    68,287.93x = 4,509,793,897.01
  5. Step 5: Solve for x
    x = 4,509,793,897.01/68,287.93
  6. Step 6: Final answer
    x = 66,040.87

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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.