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Finding the Fourth Proportional to 77,483.52, 106,913.04 and 52,026.84

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Solution

The fourth proportional to 77,483.52, 106,913.04 and 52,026.84 is: 71,787.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,483.52 : 106,913.04 = 52,026.84 : x
  2. Step 2: Convert to fraction form
    77,483.52/106,913.04 = 52,026.84/x
  3. Step 3: Cross multiply
    77,483.52x = 106,913.04 × 52,026.84
  4. Step 4: Simplify right side
    77,483.52x = 5,562,347,625.99
  5. Step 5: Solve for x
    x = 5,562,347,625.99/77,483.52
  6. Step 6: Final answer
    x = 71,787.49

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1.5x scale

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.