Home / 66,233.40-99,350.10-42,886.20

Finding the Fourth Proportional to 66,233.40, 99,350.10 and 42,886.20

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Solution

The fourth proportional to 66,233.40, 99,350.10 and 42,886.20 is: 64,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,233.40 : 99,350.10 = 42,886.20 : x
  2. Step 2: Convert to fraction form
    66,233.40/99,350.10 = 42,886.20/x
  3. Step 3: Cross multiply
    66,233.40x = 99,350.10 × 42,886.20
  4. Step 4: Simplify right side
    66,233.40x = 4,260,748,258.62
  5. Step 5: Solve for x
    x = 4,260,748,258.62/66,233.40
  6. Step 6: Final answer
    x = 64,329.30

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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.