Home / 88,262.13-121,802.56-47,976.00

Finding the Fourth Proportional to 88,262.13, 121,802.56 and 47,976.00

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Solution

The fourth proportional to 88,262.13, 121,802.56 and 47,976.00 is: 66,207.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,262.13 : 121,802.56 = 47,976.00 : x
  2. Step 2: Convert to fraction form
    88,262.13/121,802.56 = 47,976.00/x
  3. Step 3: Cross multiply
    88,262.13x = 121,802.56 × 47,976.00
  4. Step 4: Simplify right side
    88,262.13x = 5,843,599,176.79
  5. Step 5: Solve for x
    x = 5,843,599,176.79/88,262.13
  6. Step 6: Final answer
    x = 66,207.32

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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.