Home / 89,310.63-123,248.76-53,521.41

Finding the Fourth Proportional to 89,310.63, 123,248.76 and 53,521.41

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Solution

The fourth proportional to 89,310.63, 123,248.76 and 53,521.41 is: 73,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,310.63 : 123,248.76 = 53,521.41 : x
  2. Step 2: Convert to fraction form
    89,310.63/123,248.76 = 53,521.41/x
  3. Step 3: Cross multiply
    89,310.63x = 123,248.76 × 53,521.41
  4. Step 4: Simplify right side
    89,310.63x = 6,596,447,415.95
  5. Step 5: Solve for x
    x = 6,596,447,415.95/89,310.63
  6. Step 6: Final answer
    x = 73,859.60

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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.