Home / 66,423.55-99,566.12-28,973.56

Finding the Fourth Proportional to 66,423.55, 99,566.12 and 28,973.56

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Solution

The fourth proportional to 66,423.55, 99,566.12 and 28,973.56 is: 43,430.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,423.55 : 99,566.12 = 28,973.56 : x
  2. Step 2: Convert to fraction form
    66,423.55/99,566.12 = 28,973.56/x
  3. Step 3: Cross multiply
    66,423.55x = 99,566.12 × 28,973.56
  4. Step 4: Simplify right side
    66,423.55x = 2,884,784,806.92
  5. Step 5: Solve for x
    x = 2,884,784,806.92/66,423.55
  6. Step 6: Final answer
    x = 43,430.15

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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.