Home / 112,596.09-155,382.52-61,609.15

Finding the Fourth Proportional to 112,596.09, 155,382.52 and 61,609.15

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Solution

The fourth proportional to 112,596.09, 155,382.52 and 61,609.15 is: 85,020.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,596.09 : 155,382.52 = 61,609.15 : x
  2. Step 2: Convert to fraction form
    112,596.09/155,382.52 = 61,609.15/x
  3. Step 3: Cross multiply
    112,596.09x = 155,382.52 × 61,609.15
  4. Step 4: Simplify right side
    112,596.09x = 9,572,984,674.01
  5. Step 5: Solve for x
    x = 9,572,984,674.01/112,596.09
  6. Step 6: Final answer
    x = 85,020.58

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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.