Home / 102,656.17-153,984.25-38,626.35

Finding the Fourth Proportional to 102,656.17, 153,984.25 and 38,626.35

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Solution

The fourth proportional to 102,656.17, 153,984.25 and 38,626.35 is: 57,939.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,656.17 : 153,984.25 = 38,626.35 : x
  2. Step 2: Convert to fraction form
    102,656.17/153,984.25 = 38,626.35/x
  3. Step 3: Cross multiply
    102,656.17x = 153,984.25 × 38,626.35
  4. Step 4: Simplify right side
    102,656.17x = 5,947,849,548.03
  5. Step 5: Solve for x
    x = 5,947,849,548.03/102,656.17
  6. Step 6: Final answer
    x = 57,939.52

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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.