Home / 112,037.76-168,082.56-49,713.12

Finding the Fourth Proportional to 112,037.76, 168,082.56 and 49,713.12

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Solution

The fourth proportional to 112,037.76, 168,082.56 and 49,713.12 is: 74,581.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,037.76 : 168,082.56 = 49,713.12 : x
  2. Step 2: Convert to fraction form
    112,037.76/168,082.56 = 49,713.12/x
  3. Step 3: Cross multiply
    112,037.76x = 168,082.56 × 49,713.12
  4. Step 4: Simplify right side
    112,037.76x = 8,355,908,475.19
  5. Step 5: Solve for x
    x = 8,355,908,475.19/112,037.76
  6. Step 6: Final answer
    x = 74,581.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.