Home / 88,260.67-121,802.10-47,977.14

Finding the Fourth Proportional to 88,260.67, 121,802.10 and 47,977.14

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Solution

The fourth proportional to 88,260.67, 121,802.10 and 47,977.14 is: 66,209.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,260.67 : 121,802.10 = 47,977.14 : x
  2. Step 2: Convert to fraction form
    88,260.67/121,802.10 = 47,977.14/x
  3. Step 3: Cross multiply
    88,260.67x = 121,802.10 × 47,977.14
  4. Step 4: Simplify right side
    88,260.67x = 5,843,716,680.84
  5. Step 5: Solve for x
    x = 5,843,716,680.84/88,260.67
  6. Step 6: Final answer
    x = 66,209.75

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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.