Home / 77,172.01-106,449.69-52,961.92

Finding the Fourth Proportional to 77,172.01, 106,449.69 and 52,961.92

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Solution

The fourth proportional to 77,172.01, 106,449.69 and 52,961.92 is: 73,054.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,172.01 : 106,449.69 = 52,961.92 : x
  2. Step 2: Convert to fraction form
    77,172.01/106,449.69 = 52,961.92/x
  3. Step 3: Cross multiply
    77,172.01x = 106,449.69 × 52,961.92
  4. Step 4: Simplify right side
    77,172.01x = 5,637,779,898.29
  5. Step 5: Solve for x
    x = 5,637,779,898.29/77,172.01
  6. Step 6: Final answer
    x = 73,054.73

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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.