Home / 98,726.64-148,045.44-48,787.28

Finding the Fourth Proportional to 98,726.64, 148,045.44 and 48,787.28

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Solution

The fourth proportional to 98,726.64, 148,045.44 and 48,787.28 is: 73,158.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,726.64 : 148,045.44 = 48,787.28 : x
  2. Step 2: Convert to fraction form
    98,726.64/148,045.44 = 48,787.28/x
  3. Step 3: Cross multiply
    98,726.64x = 148,045.44 × 48,787.28
  4. Step 4: Simplify right side
    98,726.64x = 7,222,734,334.00
  5. Step 5: Solve for x
    x = 7,222,734,334.00/98,726.64
  6. Step 6: Final answer
    x = 73,158.92

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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.