Home / 77,148.24-106,463.40-43,157.52

Finding the Fourth Proportional to 77,148.24, 106,463.40 and 43,157.52

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Solution

The fourth proportional to 77,148.24, 106,463.40 and 43,157.52 is: 59,556.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,148.24 : 106,463.40 = 43,157.52 : x
  2. Step 2: Convert to fraction form
    77,148.24/106,463.40 = 43,157.52/x
  3. Step 3: Cross multiply
    77,148.24x = 106,463.40 × 43,157.52
  4. Step 4: Simplify right side
    77,148.24x = 4,594,696,314.77
  5. Step 5: Solve for x
    x = 4,594,696,314.77/77,148.24
  6. Step 6: Final answer
    x = 59,556.72

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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.