Home / 109,643.40-164,527.74-59,721.48

Finding the Fourth Proportional to 109,643.40, 164,527.74 and 59,721.48

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Solution

The fourth proportional to 109,643.40, 164,527.74 and 59,721.48 is: 89,616.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,643.40 : 164,527.74 = 59,721.48 : x
  2. Step 2: Convert to fraction form
    109,643.40/164,527.74 = 59,721.48/x
  3. Step 3: Cross multiply
    109,643.40x = 164,527.74 × 59,721.48
  4. Step 4: Simplify right side
    109,643.40x = 9,825,840,133.86
  5. Step 5: Solve for x
    x = 9,825,840,133.86/109,643.40
  6. Step 6: Final answer
    x = 89,616.34

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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.