Home / 78,724.25-118,086.51-23,952.21

Finding the Fourth Proportional to 78,724.25, 118,086.51 and 23,952.21

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Solution

The fourth proportional to 78,724.25, 118,086.51 and 23,952.21 is: 35,928.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,724.25 : 118,086.51 = 23,952.21 : x
  2. Step 2: Convert to fraction form
    78,724.25/118,086.51 = 23,952.21/x
  3. Step 3: Cross multiply
    78,724.25x = 118,086.51 × 23,952.21
  4. Step 4: Simplify right side
    78,724.25x = 2,828,432,397.95
  5. Step 5: Solve for x
    x = 2,828,432,397.95/78,724.25
  6. Step 6: Final answer
    x = 35,928.35

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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.