Home / 63,986.40-95,979.60-59,612.40

Finding the Fourth Proportional to 63,986.40, 95,979.60 and 59,612.40

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Solution

The fourth proportional to 63,986.40, 95,979.60 and 59,612.40 is: 89,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,986.40 : 95,979.60 = 59,612.40 : x
  2. Step 2: Convert to fraction form
    63,986.40/95,979.60 = 59,612.40/x
  3. Step 3: Cross multiply
    63,986.40x = 95,979.60 × 59,612.40
  4. Step 4: Simplify right side
    63,986.40x = 5,721,574,307.04
  5. Step 5: Solve for x
    x = 5,721,574,307.04/63,986.40
  6. Step 6: Final answer
    x = 89,418.60

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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.