Home / 104,604.17-144,374.63-66,409.20

Finding the Fourth Proportional to 104,604.17, 144,374.63 and 66,409.20

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Solution

The fourth proportional to 104,604.17, 144,374.63 and 66,409.20 is: 91,657.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,604.17 : 144,374.63 = 66,409.20 : x
  2. Step 2: Convert to fraction form
    104,604.17/144,374.63 = 66,409.20/x
  3. Step 3: Cross multiply
    104,604.17x = 144,374.63 × 66,409.20
  4. Step 4: Simplify right side
    104,604.17x = 9,587,803,346.55
  5. Step 5: Solve for x
    x = 9,587,803,346.55/104,604.17
  6. Step 6: Final answer
    x = 91,657.95

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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.