Home / 109,724.40-164,473.20-59,698.80

Finding the Fourth Proportional to 109,724.40, 164,473.20 and 59,698.80

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Solution

The fourth proportional to 109,724.40, 164,473.20 and 59,698.80 is: 89,486.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,724.40 : 164,473.20 = 59,698.80 : x
  2. Step 2: Convert to fraction form
    109,724.40/164,473.20 = 59,698.80/x
  3. Step 3: Cross multiply
    109,724.40x = 164,473.20 × 59,698.80
  4. Step 4: Simplify right side
    109,724.40x = 9,818,852,672.16
  5. Step 5: Solve for x
    x = 9,818,852,672.16/109,724.40
  6. Step 6: Final answer
    x = 89,486.50

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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.