Home / 76,560.14-105,652.90-42,567.56

Finding the Fourth Proportional to 76,560.14, 105,652.90 and 42,567.56

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Solution

The fourth proportional to 76,560.14, 105,652.90 and 42,567.56 is: 58,743.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,560.14 : 105,652.90 = 42,567.56 : x
  2. Step 2: Convert to fraction form
    76,560.14/105,652.90 = 42,567.56/x
  3. Step 3: Cross multiply
    76,560.14x = 105,652.90 × 42,567.56
  4. Step 4: Simplify right side
    76,560.14x = 4,497,386,159.92
  5. Step 5: Solve for x
    x = 4,497,386,159.92/76,560.14
  6. Step 6: Final answer
    x = 58,743.18

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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.