Home / 83,005.64-114,547.82-47,194.76

Finding the Fourth Proportional to 83,005.64, 114,547.82 and 47,194.76

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Solution

The fourth proportional to 83,005.64, 114,547.82 and 47,194.76 is: 65,128.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,005.64 : 114,547.82 = 47,194.76 : x
  2. Step 2: Convert to fraction form
    83,005.64/114,547.82 = 47,194.76/x
  3. Step 3: Cross multiply
    83,005.64x = 114,547.82 × 47,194.76
  4. Step 4: Simplify right side
    83,005.64x = 5,406,056,873.42
  5. Step 5: Solve for x
    x = 5,406,056,873.42/83,005.64
  6. Step 6: Final answer
    x = 65,128.79

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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.