Home / 79,586.19-109,844.55-45,617.45

Finding the Fourth Proportional to 79,586.19, 109,844.55 and 45,617.45

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Solution

The fourth proportional to 79,586.19, 109,844.55 and 45,617.45 is: 62,961.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,586.19 : 109,844.55 = 45,617.45 : x
  2. Step 2: Convert to fraction form
    79,586.19/109,844.55 = 45,617.45/x
  3. Step 3: Cross multiply
    79,586.19x = 109,844.55 × 45,617.45
  4. Step 4: Simplify right side
    79,586.19x = 5,010,828,039.31
  5. Step 5: Solve for x
    x = 5,010,828,039.31/79,586.19
  6. Step 6: Final answer
    x = 62,961.02

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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.