Home / 98,787.60-148,254.30-39,665.70

Finding the Fourth Proportional to 98,787.60, 148,254.30 and 39,665.70

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Solution

The fourth proportional to 98,787.60, 148,254.30 and 39,665.70 is: 59,527.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,787.60 : 148,254.30 = 39,665.70 : x
  2. Step 2: Convert to fraction form
    98,787.60/148,254.30 = 39,665.70/x
  3. Step 3: Cross multiply
    98,787.60x = 148,254.30 × 39,665.70
  4. Step 4: Simplify right side
    98,787.60x = 5,880,610,587.51
  5. Step 5: Solve for x
    x = 5,880,610,587.51/98,787.60
  6. Step 6: Final answer
    x = 59,527.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.