Home / 105,104.16-157,681.84-31,232.16

Finding the Fourth Proportional to 105,104.16, 157,681.84 and 31,232.16

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Solution

The fourth proportional to 105,104.16, 157,681.84 and 31,232.16 is: 46,855.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,104.16 : 157,681.84 = 31,232.16 : x
  2. Step 2: Convert to fraction form
    105,104.16/157,681.84 = 31,232.16/x
  3. Step 3: Cross multiply
    105,104.16x = 157,681.84 × 31,232.16
  4. Step 4: Simplify right side
    105,104.16x = 4,924,744,455.97
  5. Step 5: Solve for x
    x = 4,924,744,455.97/105,104.16
  6. Step 6: Final answer
    x = 46,855.85

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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.