Home / 112,677.30-169,013.95-45,226.50

Finding the Fourth Proportional to 112,677.30, 169,013.95 and 45,226.50

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Solution

The fourth proportional to 112,677.30, 169,013.95 and 45,226.50 is: 67,838.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,677.30 : 169,013.95 = 45,226.50 : x
  2. Step 2: Convert to fraction form
    112,677.30/169,013.95 = 45,226.50/x
  3. Step 3: Cross multiply
    112,677.30x = 169,013.95 × 45,226.50
  4. Step 4: Simplify right side
    112,677.30x = 7,643,909,409.68
  5. Step 5: Solve for x
    x = 7,643,909,409.68/112,677.30
  6. Step 6: Final answer
    x = 67,838.95

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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.