Home / 106,737.22-147,303.06-61,422.10

Finding the Fourth Proportional to 106,737.22, 147,303.06 and 61,422.10

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Solution

The fourth proportional to 106,737.22, 147,303.06 and 61,422.10 is: 84,765.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,737.22 : 147,303.06 = 61,422.10 : x
  2. Step 2: Convert to fraction form
    106,737.22/147,303.06 = 61,422.10/x
  3. Step 3: Cross multiply
    106,737.22x = 147,303.06 × 61,422.10
  4. Step 4: Simplify right side
    106,737.22x = 9,047,663,281.63
  5. Step 5: Solve for x
    x = 9,047,663,281.63/106,737.22
  6. Step 6: Final answer
    x = 84,765.78

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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.