Home / 75,818.08-104,627.60-41,829.76

Finding the Fourth Proportional to 75,818.08, 104,627.60 and 41,829.76

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Solution

The fourth proportional to 75,818.08, 104,627.60 and 41,829.76 is: 57,724.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,818.08 : 104,627.60 = 41,829.76 : x
  2. Step 2: Convert to fraction form
    75,818.08/104,627.60 = 41,829.76/x
  3. Step 3: Cross multiply
    75,818.08x = 104,627.60 × 41,829.76
  4. Step 4: Simplify right side
    75,818.08x = 4,376,547,397.38
  5. Step 5: Solve for x
    x = 4,376,547,397.38/75,818.08
  6. Step 6: Final answer
    x = 57,724.32

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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.