Home / 76,468.47-105,527.16-44,631.18

Finding the Fourth Proportional to 76,468.47, 105,527.16 and 44,631.18

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Solution

The fourth proportional to 76,468.47, 105,527.16 and 44,631.18 is: 61,591.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,468.47 : 105,527.16 = 44,631.18 : x
  2. Step 2: Convert to fraction form
    76,468.47/105,527.16 = 44,631.18/x
  3. Step 3: Cross multiply
    76,468.47x = 105,527.16 × 44,631.18
  4. Step 4: Simplify right side
    76,468.47x = 4,709,801,672.85
  5. Step 5: Solve for x
    x = 4,709,801,672.85/76,468.47
  6. Step 6: Final answer
    x = 61,591.42

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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.