Home / 75,257.92-103,778.40-52,588.65

Finding the Fourth Proportional to 75,257.92, 103,778.40 and 52,588.65

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Solution

The fourth proportional to 75,257.92, 103,778.40 and 52,588.65 is: 72,518.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,257.92 : 103,778.40 = 52,588.65 : x
  2. Step 2: Convert to fraction form
    75,257.92/103,778.40 = 52,588.65/x
  3. Step 3: Cross multiply
    75,257.92x = 103,778.40 × 52,588.65
  4. Step 4: Simplify right side
    75,257.92x = 5,457,565,955.16
  5. Step 5: Solve for x
    x = 5,457,565,955.16/75,257.92
  6. Step 6: Final answer
    x = 72,518.16

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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.