Home / 67,980.61-93,787.05-50,118.07

Finding the Fourth Proportional to 67,980.61, 93,787.05 and 50,118.07

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Solution

The fourth proportional to 67,980.61, 93,787.05 and 50,118.07 is: 69,143.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,980.61 : 93,787.05 = 50,118.07 : x
  2. Step 2: Convert to fraction form
    67,980.61/93,787.05 = 50,118.07/x
  3. Step 3: Cross multiply
    67,980.61x = 93,787.05 × 50,118.07
  4. Step 4: Simplify right side
    67,980.61x = 4,700,425,936.99
  5. Step 5: Solve for x
    x = 4,700,425,936.99/67,980.61
  6. Step 6: Final answer
    x = 69,143.63

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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.