Home / 88,239.02-121,772.93-47,955.83

Finding the Fourth Proportional to 88,239.02, 121,772.93 and 47,955.83

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Solution

The fourth proportional to 88,239.02, 121,772.93 and 47,955.83 is: 66,180.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,239.02 : 121,772.93 = 47,955.83 : x
  2. Step 2: Convert to fraction form
    88,239.02/121,772.93 = 47,955.83/x
  3. Step 3: Cross multiply
    88,239.02x = 121,772.93 × 47,955.83
  4. Step 4: Simplify right side
    88,239.02x = 5,839,721,081.04
  5. Step 5: Solve for x
    x = 5,839,721,081.04/88,239.02
  6. Step 6: Final answer
    x = 66,180.71

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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.