Home / 77,267.61-106,680.51-59,330.43

Finding the Fourth Proportional to 77,267.61, 106,680.51 and 59,330.43

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Solution

The fourth proportional to 77,267.61, 106,680.51 and 59,330.43 is: 81,915.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,267.61 : 106,680.51 = 59,330.43 : x
  2. Step 2: Convert to fraction form
    77,267.61/106,680.51 = 59,330.43/x
  3. Step 3: Cross multiply
    77,267.61x = 106,680.51 × 59,330.43
  4. Step 4: Simplify right side
    77,267.61x = 6,329,400,530.92
  5. Step 5: Solve for x
    x = 6,329,400,530.92/77,267.61
  6. Step 6: Final answer
    x = 81,915.31

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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.