Home / 72,281.40-108,422.10-59,148.60

Finding the Fourth Proportional to 72,281.40, 108,422.10 and 59,148.60

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Solution

The fourth proportional to 72,281.40, 108,422.10 and 59,148.60 is: 88,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,281.40 : 108,422.10 = 59,148.60 : x
  2. Step 2: Convert to fraction form
    72,281.40/108,422.10 = 59,148.60/x
  3. Step 3: Cross multiply
    72,281.40x = 108,422.10 × 59,148.60
  4. Step 4: Simplify right side
    72,281.40x = 6,413,015,424.06
  5. Step 5: Solve for x
    x = 6,413,015,424.06/72,281.40
  6. Step 6: Final answer
    x = 88,722.90

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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.