Home / 112,753.32-155,597.61-61,767.06

Finding the Fourth Proportional to 112,753.32, 155,597.61 and 61,767.06

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Solution

The fourth proportional to 112,753.32, 155,597.61 and 61,767.06 is: 85,237.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,753.32 : 155,597.61 = 61,767.06 : x
  2. Step 2: Convert to fraction form
    112,753.32/155,597.61 = 61,767.06/x
  3. Step 3: Cross multiply
    112,753.32x = 155,597.61 × 61,767.06
  4. Step 4: Simplify right side
    112,753.32x = 9,610,806,213.42
  5. Step 5: Solve for x
    x = 9,610,806,213.42/112,753.32
  6. Step 6: Final answer
    x = 85,237.46

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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.