Home / 88,727.40-122,445-48,440.70

Finding the Fourth Proportional to 88,727.40, 122,445 and 48,440.70

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Solution

The fourth proportional to 88,727.40, 122,445 and 48,440.70 is: 66,848.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,727.40 : 122,445 = 48,440.70 : x
  2. Step 2: Convert to fraction form
    88,727.40/122,445 = 48,440.70/x
  3. Step 3: Cross multiply
    88,727.40x = 122,445 × 48,440.70
  4. Step 4: Simplify right side
    88,727.40x = 5,931,321,511.50
  5. Step 5: Solve for x
    x = 5,931,321,511.50/88,727.40
  6. Step 6: Final answer
    x = 66,848.81

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1.5x scale

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.