Home / 112,866.08-155,744.72-62,560.80

Finding the Fourth Proportional to 112,866.08, 155,744.72 and 62,560.80

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Solution

The fourth proportional to 112,866.08, 155,744.72 and 62,560.80 is: 86,328.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,866.08 : 155,744.72 = 62,560.80 : x
  2. Step 2: Convert to fraction form
    112,866.08/155,744.72 = 62,560.80/x
  3. Step 3: Cross multiply
    112,866.08x = 155,744.72 × 62,560.80
  4. Step 4: Simplify right side
    112,866.08x = 9,743,514,278.98
  5. Step 5: Solve for x
    x = 9,743,514,278.98/112,866.08
  6. Step 6: Final answer
    x = 86,328.10

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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.