Home / 75,851.54-104,654.12-48,995.18

Finding the Fourth Proportional to 75,851.54, 104,654.12 and 48,995.18

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Solution

The fourth proportional to 75,851.54, 104,654.12 and 48,995.18 is: 67,599.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,851.54 : 104,654.12 = 48,995.18 : x
  2. Step 2: Convert to fraction form
    75,851.54/104,654.12 = 48,995.18/x
  3. Step 3: Cross multiply
    75,851.54x = 104,654.12 × 48,995.18
  4. Step 4: Simplify right side
    75,851.54x = 5,127,547,447.14
  5. Step 5: Solve for x
    x = 5,127,547,447.14/75,851.54
  6. Step 6: Final answer
    x = 67,599.78

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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.