Home / 77,001.30-106,260.93-45,164.07

Finding the Fourth Proportional to 77,001.30, 106,260.93 and 45,164.07

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Solution

The fourth proportional to 77,001.30, 106,260.93 and 45,164.07 is: 62,325.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,001.30 : 106,260.93 = 45,164.07 : x
  2. Step 2: Convert to fraction form
    77,001.30/106,260.93 = 45,164.07/x
  3. Step 3: Cross multiply
    77,001.30x = 106,260.93 × 45,164.07
  4. Step 4: Simplify right side
    77,001.30x = 4,799,176,080.79
  5. Step 5: Solve for x
    x = 4,799,176,080.79/77,001.30
  6. Step 6: Final answer
    x = 62,325.91

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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.