Home / 100,522.18-150,817.29-63,109.90

Finding the Fourth Proportional to 100,522.18, 150,817.29 and 63,109.90

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Solution

The fourth proportional to 100,522.18, 150,817.29 and 63,109.90 is: 94,686.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,522.18 : 150,817.29 = 63,109.90 : x
  2. Step 2: Convert to fraction form
    100,522.18/150,817.29 = 63,109.90/x
  3. Step 3: Cross multiply
    100,522.18x = 150,817.29 × 63,109.90
  4. Step 4: Simplify right side
    100,522.18x = 9,518,064,090.17
  5. Step 5: Solve for x
    x = 9,518,064,090.17/100,522.18
  6. Step 6: Final answer
    x = 94,686.21

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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.