Home / 105,748.95-158,638.01-61,396.59

Finding the Fourth Proportional to 105,748.95, 158,638.01 and 61,396.59

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Solution

The fourth proportional to 105,748.95, 158,638.01 and 61,396.59 is: 92,103.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,748.95 : 158,638.01 = 61,396.59 : x
  2. Step 2: Convert to fraction form
    105,748.95/158,638.01 = 61,396.59/x
  3. Step 3: Cross multiply
    105,748.95x = 158,638.01 × 61,396.59
  4. Step 4: Simplify right side
    105,748.95x = 9,739,832,551.40
  5. Step 5: Solve for x
    x = 9,739,832,551.40/105,748.95
  6. Step 6: Final answer
    x = 92,103.35

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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.