Home / 88,185.06-121,696.74-47,898.90

Finding the Fourth Proportional to 88,185.06, 121,696.74 and 47,898.90

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Solution

The fourth proportional to 88,185.06, 121,696.74 and 47,898.90 is: 66,101.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,185.06 : 121,696.74 = 47,898.90 : x
  2. Step 2: Convert to fraction form
    88,185.06/121,696.74 = 47,898.90/x
  3. Step 3: Cross multiply
    88,185.06x = 121,696.74 × 47,898.90
  4. Step 4: Simplify right side
    88,185.06x = 5,829,139,979.59
  5. Step 5: Solve for x
    x = 5,829,139,979.59/88,185.06
  6. Step 6: Final answer
    x = 66,101.22

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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.