Home / 104,405.41-144,077.91-61,389.76

Finding the Fourth Proportional to 104,405.41, 144,077.91 and 61,389.76

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Solution

The fourth proportional to 104,405.41, 144,077.91 and 61,389.76 is: 84,716.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,405.41 : 144,077.91 = 61,389.76 : x
  2. Step 2: Convert to fraction form
    104,405.41/144,077.91 = 61,389.76/x
  3. Step 3: Cross multiply
    104,405.41x = 144,077.91 × 61,389.76
  4. Step 4: Simplify right side
    104,405.41x = 8,844,908,316.20
  5. Step 5: Solve for x
    x = 8,844,908,316.20/104,405.41
  6. Step 6: Final answer
    x = 84,716.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.