Home / 106,652.08-147,208.40-61,335.04

Finding the Fourth Proportional to 106,652.08, 147,208.40 and 61,335.04

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Solution

The fourth proportional to 106,652.08, 147,208.40 and 61,335.04 is: 84,658.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,652.08 : 147,208.40 = 61,335.04 : x
  2. Step 2: Convert to fraction form
    106,652.08/147,208.40 = 61,335.04/x
  3. Step 3: Cross multiply
    106,652.08x = 147,208.40 × 61,335.04
  4. Step 4: Simplify right side
    106,652.08x = 9,029,033,102.34
  5. Step 5: Solve for x
    x = 9,029,033,102.34/106,652.08
  6. Step 6: Final answer
    x = 84,658.76

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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.