Home / 77,521.40-106,984.26-43,541

Finding the Fourth Proportional to 77,521.40, 106,984.26 and 43,541

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Solution

The fourth proportional to 77,521.40, 106,984.26 and 43,541 is: 60,089.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,521.40 : 106,984.26 = 43,541 : x
  2. Step 2: Convert to fraction form
    77,521.40/106,984.26 = 43,541/x
  3. Step 3: Cross multiply
    77,521.40x = 106,984.26 × 43,541
  4. Step 4: Simplify right side
    77,521.40x = 4,658,201,664.66
  5. Step 5: Solve for x
    x = 4,658,201,664.66/77,521.40
  6. Step 6: Final answer
    x = 60,089.24

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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.