Home / 66,526.30-99,789.45-42,906.70

Finding the Fourth Proportional to 66,526.30, 99,789.45 and 42,906.70

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Solution

The fourth proportional to 66,526.30, 99,789.45 and 42,906.70 is: 64,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,526.30 : 99,789.45 = 42,906.70 : x
  2. Step 2: Convert to fraction form
    66,526.30/99,789.45 = 42,906.70/x
  3. Step 3: Cross multiply
    66,526.30x = 99,789.45 × 42,906.70
  4. Step 4: Simplify right side
    66,526.30x = 4,281,635,994.32
  5. Step 5: Solve for x
    x = 4,281,635,994.32/66,526.30
  6. Step 6: Final answer
    x = 64,360.05

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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.