Home / 88,250.69-121,784.91-47,962.64

Finding the Fourth Proportional to 88,250.69, 121,784.91 and 47,962.64

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Solution

The fourth proportional to 88,250.69, 121,784.91 and 47,962.64 is: 66,187.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,250.69 : 121,784.91 = 47,962.64 : x
  2. Step 2: Convert to fraction form
    88,250.69/121,784.91 = 47,962.64/x
  3. Step 3: Cross multiply
    88,250.69x = 121,784.91 × 47,962.64
  4. Step 4: Simplify right side
    88,250.69x = 5,841,125,795.76
  5. Step 5: Solve for x
    x = 5,841,125,795.76/88,250.69
  6. Step 6: Final answer
    x = 66,187.88

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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.