Home / 72,459.32-100,002.18-48,258.94

Finding the Fourth Proportional to 72,459.32, 100,002.18 and 48,258.94

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Solution

The fourth proportional to 72,459.32, 100,002.18 and 48,258.94 is: 66,602.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,459.32 : 100,002.18 = 48,258.94 : x
  2. Step 2: Convert to fraction form
    72,459.32/100,002.18 = 48,258.94/x
  3. Step 3: Cross multiply
    72,459.32x = 100,002.18 × 48,258.94
  4. Step 4: Simplify right side
    72,459.32x = 4,825,999,204.49
  5. Step 5: Solve for x
    x = 4,825,999,204.49/72,459.32
  6. Step 6: Final answer
    x = 66,602.88

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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.