Home / 58,487.08-80,617.36-45,717.70

Finding the Fourth Proportional to 58,487.08, 80,617.36 and 45,717.70

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Solution

The fourth proportional to 58,487.08, 80,617.36 and 45,717.70 is: 63,016.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,487.08 : 80,617.36 = 45,717.70 : x
  2. Step 2: Convert to fraction form
    58,487.08/80,617.36 = 45,717.70/x
  3. Step 3: Cross multiply
    58,487.08x = 80,617.36 × 45,717.70
  4. Step 4: Simplify right side
    58,487.08x = 3,685,640,279.27
  5. Step 5: Solve for x
    x = 3,685,640,279.27/58,487.08
  6. Step 6: Final answer
    x = 63,016.32

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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.