Home / 88,374.40-121,955.64-48,087.47

Finding the Fourth Proportional to 88,374.40, 121,955.64 and 48,087.47

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Solution

The fourth proportional to 88,374.40, 121,955.64 and 48,087.47 is: 66,360.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,374.40 : 121,955.64 = 48,087.47 : x
  2. Step 2: Convert to fraction form
    88,374.40/121,955.64 = 48,087.47/x
  3. Step 3: Cross multiply
    88,374.40x = 121,955.64 × 48,087.47
  4. Step 4: Simplify right side
    88,374.40x = 5,864,538,055.27
  5. Step 5: Solve for x
    x = 5,864,538,055.27/88,374.40
  6. Step 6: Final answer
    x = 66,360.15

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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.