Home / 109,220.24-163,869.08-62,512.40

Finding the Fourth Proportional to 109,220.24, 163,869.08 and 62,512.40

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Solution

The fourth proportional to 109,220.24, 163,869.08 and 62,512.40 is: 93,790.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,220.24 : 163,869.08 = 62,512.40 : x
  2. Step 2: Convert to fraction form
    109,220.24/163,869.08 = 62,512.40/x
  3. Step 3: Cross multiply
    109,220.24x = 163,869.08 × 62,512.40
  4. Step 4: Simplify right side
    109,220.24x = 10,243,849,476.59
  5. Step 5: Solve for x
    x = 10,243,849,476.59/109,220.24
  6. Step 6: Final answer
    x = 93,790.76

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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.