Home / 88,376.31-121,959.54-48,090.06

Finding the Fourth Proportional to 88,376.31, 121,959.54 and 48,090.06

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Solution

The fourth proportional to 88,376.31, 121,959.54 and 48,090.06 is: 66,364.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,376.31 : 121,959.54 = 48,090.06 : x
  2. Step 2: Convert to fraction form
    88,376.31/121,959.54 = 48,090.06/x
  3. Step 3: Cross multiply
    88,376.31x = 121,959.54 × 48,090.06
  4. Step 4: Simplify right side
    88,376.31x = 5,865,041,596.17
  5. Step 5: Solve for x
    x = 5,865,041,596.17/88,376.31
  6. Step 6: Final answer
    x = 66,364.41

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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.