Home / 79,269.15-109,392.32-45,282.14

Finding the Fourth Proportional to 79,269.15, 109,392.32 and 45,282.14

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Solution

The fourth proportional to 79,269.15, 109,392.32 and 45,282.14 is: 62,489.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,269.15 : 109,392.32 = 45,282.14 : x
  2. Step 2: Convert to fraction form
    79,269.15/109,392.32 = 45,282.14/x
  3. Step 3: Cross multiply
    79,269.15x = 109,392.32 × 45,282.14
  4. Step 4: Simplify right side
    79,269.15x = 4,953,518,349.16
  5. Step 5: Solve for x
    x = 4,953,518,349.16/79,269.15
  6. Step 6: Final answer
    x = 62,489.86

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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.