Home / 110,507.78-152,513.38-61,454.29

Finding the Fourth Proportional to 110,507.78, 152,513.38 and 61,454.29

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Solution

The fourth proportional to 110,507.78, 152,513.38 and 61,454.29 is: 84,813.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,507.78 : 152,513.38 = 61,454.29 : x
  2. Step 2: Convert to fraction form
    110,507.78/152,513.38 = 61,454.29/x
  3. Step 3: Cross multiply
    110,507.78x = 152,513.38 × 61,454.29
  4. Step 4: Simplify right side
    110,507.78x = 9,372,601,898.32
  5. Step 5: Solve for x
    x = 9,372,601,898.32/110,507.78
  6. Step 6: Final answer
    x = 84,813.95

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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.