Home / 115,521.84-173,325.69-70,635.29

Finding the Fourth Proportional to 115,521.84, 173,325.69 and 70,635.29

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Solution

The fourth proportional to 115,521.84, 173,325.69 and 70,635.29 is: 105,979.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,521.84 : 173,325.69 = 70,635.29 : x
  2. Step 2: Convert to fraction form
    115,521.84/173,325.69 = 70,635.29/x
  3. Step 3: Cross multiply
    115,521.84x = 173,325.69 × 70,635.29
  4. Step 4: Simplify right side
    115,521.84x = 12,242,909,510.97
  5. Step 5: Solve for x
    x = 12,242,909,510.97/115,521.84
  6. Step 6: Final answer
    x = 105,979.18

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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.