Home / 88,118.56-121,629.27-53,675.74

Finding the Fourth Proportional to 88,118.56, 121,629.27 and 53,675.74

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Solution

The fourth proportional to 88,118.56, 121,629.27 and 53,675.74 is: 74,088.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,118.56 : 121,629.27 = 53,675.74 : x
  2. Step 2: Convert to fraction form
    88,118.56/121,629.27 = 53,675.74/x
  3. Step 3: Cross multiply
    88,118.56x = 121,629.27 × 53,675.74
  4. Step 4: Simplify right side
    88,118.56x = 6,528,541,072.91
  5. Step 5: Solve for x
    x = 6,528,541,072.91/88,118.56
  6. Step 6: Final answer
    x = 74,088.15

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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.