Home / 106,774.92-147,364.02-61,451.98

Finding the Fourth Proportional to 106,774.92, 147,364.02 and 61,451.98

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Solution

The fourth proportional to 106,774.92, 147,364.02 and 61,451.98 is: 84,812.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,774.92 : 147,364.02 = 61,451.98 : x
  2. Step 2: Convert to fraction form
    106,774.92/147,364.02 = 61,451.98/x
  3. Step 3: Cross multiply
    106,774.92x = 147,364.02 × 61,451.98
  4. Step 4: Simplify right side
    106,774.92x = 9,055,810,809.76
  5. Step 5: Solve for x
    x = 9,055,810,809.76/106,774.92
  6. Step 6: Final answer
    x = 84,812.15

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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.