Home / 112,098.12-154,689.30-61,793.16

Finding the Fourth Proportional to 112,098.12, 154,689.30 and 61,793.16

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Solution

The fourth proportional to 112,098.12, 154,689.30 and 61,793.16 is: 85,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,098.12 : 154,689.30 = 61,793.16 : x
  2. Step 2: Convert to fraction form
    112,098.12/154,689.30 = 61,793.16/x
  3. Step 3: Cross multiply
    112,098.12x = 154,689.30 × 61,793.16
  4. Step 4: Simplify right side
    112,098.12x = 9,558,740,665.19
  5. Step 5: Solve for x
    x = 9,558,740,665.19/112,098.12
  6. Step 6: Final answer
    x = 85,271.20

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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.