Home / 84,695.04-126,851.40-48,625.20

Finding the Fourth Proportional to 84,695.04, 126,851.40 and 48,625.20

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Solution

The fourth proportional to 84,695.04, 126,851.40 and 48,625.20 is: 72,828.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,695.04 : 126,851.40 = 48,625.20 : x
  2. Step 2: Convert to fraction form
    84,695.04/126,851.40 = 48,625.20/x
  3. Step 3: Cross multiply
    84,695.04x = 126,851.40 × 48,625.20
  4. Step 4: Simplify right side
    84,695.04x = 6,168,174,695.28
  5. Step 5: Solve for x
    x = 6,168,174,695.28/84,695.04
  6. Step 6: Final answer
    x = 72,828.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.