Home / 60,788.18-91,182.58-18,667.78

Finding the Fourth Proportional to 60,788.18, 91,182.58 and 18,667.78

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Solution

The fourth proportional to 60,788.18, 91,182.58 and 18,667.78 is: 28,001.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,788.18 : 91,182.58 = 18,667.78 : x
  2. Step 2: Convert to fraction form
    60,788.18/91,182.58 = 18,667.78/x
  3. Step 3: Cross multiply
    60,788.18x = 91,182.58 × 18,667.78
  4. Step 4: Simplify right side
    60,788.18x = 1,702,176,068.65
  5. Step 5: Solve for x
    x = 1,702,176,068.65/60,788.18
  6. Step 6: Final answer
    x = 28,001.76

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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.