Home / 109,715.14-164,572.69-38,621.04

Finding the Fourth Proportional to 109,715.14, 164,572.69 and 38,621.04

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Solution

The fourth proportional to 109,715.14, 164,572.69 and 38,621.04 is: 57,931.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,715.14 : 164,572.69 = 38,621.04 : x
  2. Step 2: Convert to fraction form
    109,715.14/164,572.69 = 38,621.04/x
  3. Step 3: Cross multiply
    109,715.14x = 164,572.69 × 38,621.04
  4. Step 4: Simplify right side
    109,715.14x = 6,355,968,443.40
  5. Step 5: Solve for x
    x = 6,355,968,443.40/109,715.14
  6. Step 6: Final answer
    x = 57,931.55

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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.