Home / 112,066.40-154,649.52-61,079.54

Finding the Fourth Proportional to 112,066.40, 154,649.52 and 61,079.54

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Solution

The fourth proportional to 112,066.40, 154,649.52 and 61,079.54 is: 84,288.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,066.40 : 154,649.52 = 61,079.54 : x
  2. Step 2: Convert to fraction form
    112,066.40/154,649.52 = 61,079.54/x
  3. Step 3: Cross multiply
    112,066.40x = 154,649.52 × 61,079.54
  4. Step 4: Simplify right side
    112,066.40x = 9,445,920,769.57
  5. Step 5: Solve for x
    x = 9,445,920,769.57/112,066.40
  6. Step 6: Final answer
    x = 84,288.61

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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.