Home / 88,204.68-121,720.32-47,918.52

Finding the Fourth Proportional to 88,204.68, 121,720.32 and 47,918.52

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Solution

The fourth proportional to 88,204.68, 121,720.32 and 47,918.52 is: 66,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,204.68 : 121,720.32 = 47,918.52 : x
  2. Step 2: Convert to fraction form
    88,204.68/121,720.32 = 47,918.52/x
  3. Step 3: Cross multiply
    88,204.68x = 121,720.32 × 47,918.52
  4. Step 4: Simplify right side
    88,204.68x = 5,832,657,588.33
  5. Step 5: Solve for x
    x = 5,832,657,588.33/88,204.68
  6. Step 6: Final answer
    x = 66,126.40

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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.