Home / 129,041.90-193,518.72-49,060.58

Finding the Fourth Proportional to 129,041.90, 193,518.72 and 49,060.58

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Solution

The fourth proportional to 129,041.90, 193,518.72 and 49,060.58 is: 73,574.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,041.90 : 193,518.72 = 49,060.58 : x
  2. Step 2: Convert to fraction form
    129,041.90/193,518.72 = 49,060.58/x
  3. Step 3: Cross multiply
    129,041.90x = 193,518.72 × 49,060.58
  4. Step 4: Simplify right side
    129,041.90x = 9,494,139,676.46
  5. Step 5: Solve for x
    x = 9,494,139,676.46/129,041.90
  6. Step 6: Final answer
    x = 73,574.08

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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.