Home / 58,623.39-80,928.16-39,275.61

Finding the Fourth Proportional to 58,623.39, 80,928.16 and 39,275.61

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Solution

The fourth proportional to 58,623.39, 80,928.16 and 39,275.61 is: 54,219.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,623.39 : 80,928.16 = 39,275.61 : x
  2. Step 2: Convert to fraction form
    58,623.39/80,928.16 = 39,275.61/x
  3. Step 3: Cross multiply
    58,623.39x = 80,928.16 × 39,275.61
  4. Step 4: Simplify right side
    58,623.39x = 3,178,502,249.16
  5. Step 5: Solve for x
    x = 3,178,502,249.16/58,623.39
  6. Step 6: Final answer
    x = 54,219.02

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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.