Home / 63,648.18-87,834.51-34,969.68

Finding the Fourth Proportional to 63,648.18, 87,834.51 and 34,969.68

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Solution

The fourth proportional to 63,648.18, 87,834.51 and 34,969.68 is: 48,258.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,648.18 : 87,834.51 = 34,969.68 : x
  2. Step 2: Convert to fraction form
    63,648.18/87,834.51 = 34,969.68/x
  3. Step 3: Cross multiply
    63,648.18x = 87,834.51 × 34,969.68
  4. Step 4: Simplify right side
    63,648.18x = 3,071,544,707.66
  5. Step 5: Solve for x
    x = 3,071,544,707.66/63,648.18
  6. Step 6: Final answer
    x = 48,258.17

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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.