Home / 88,243.07-121,776.39-47,957.51

Finding the Fourth Proportional to 88,243.07, 121,776.39 and 47,957.51

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Solution

The fourth proportional to 88,243.07, 121,776.39 and 47,957.51 is: 66,181.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,243.07 : 121,776.39 = 47,957.51 : x
  2. Step 2: Convert to fraction form
    88,243.07/121,776.39 = 47,957.51/x
  3. Step 3: Cross multiply
    88,243.07x = 121,776.39 × 47,957.51
  4. Step 4: Simplify right side
    88,243.07x = 5,840,091,832.31
  5. Step 5: Solve for x
    x = 5,840,091,832.31/88,243.07
  6. Step 6: Final answer
    x = 66,181.88

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1.5x scale

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.