Home / 77,156.83-106,472.73-48,491.35

Finding the Fourth Proportional to 77,156.83, 106,472.73 and 48,491.35

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Solution

The fourth proportional to 77,156.83, 106,472.73 and 48,491.35 is: 66,915.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,156.83 : 106,472.73 = 48,491.35 : x
  2. Step 2: Convert to fraction form
    77,156.83/106,472.73 = 48,491.35/x
  3. Step 3: Cross multiply
    77,156.83x = 106,472.73 × 48,491.35
  4. Step 4: Simplify right side
    77,156.83x = 5,163,006,415.89
  5. Step 5: Solve for x
    x = 5,163,006,415.89/77,156.83
  6. Step 6: Final answer
    x = 66,915.74

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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.