Home / 77,062.46-106,346.93-45,231.89

Finding the Fourth Proportional to 77,062.46, 106,346.93 and 45,231.89

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Solution

The fourth proportional to 77,062.46, 106,346.93 and 45,231.89 is: 62,420.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,062.46 : 106,346.93 = 45,231.89 : x
  2. Step 2: Convert to fraction form
    77,062.46/106,346.93 = 45,231.89/x
  3. Step 3: Cross multiply
    77,062.46x = 106,346.93 × 45,231.89
  4. Step 4: Simplify right side
    77,062.46x = 4,810,271,881.70
  5. Step 5: Solve for x
    x = 4,810,271,881.70/77,062.46
  6. Step 6: Final answer
    x = 62,420.43

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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.