Home / 112,597.02-155,381.49-61,609.55

Finding the Fourth Proportional to 112,597.02, 155,381.49 and 61,609.55

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Solution

The fourth proportional to 112,597.02, 155,381.49 and 61,609.55 is: 85,019.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,597.02 : 155,381.49 = 61,609.55 : x
  2. Step 2: Convert to fraction form
    112,597.02/155,381.49 = 61,609.55/x
  3. Step 3: Cross multiply
    112,597.02x = 155,381.49 × 61,609.55
  4. Step 4: Simplify right side
    112,597.02x = 9,572,982,900.32
  5. Step 5: Solve for x
    x = 9,572,982,900.32/112,597.02
  6. Step 6: Final answer
    x = 85,019.86

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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.