Home / 47,799.90-71,715.51-14,521.32

Finding the Fourth Proportional to 47,799.90, 71,715.51 and 14,521.32

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Solution

The fourth proportional to 47,799.90, 71,715.51 and 14,521.32 is: 21,786.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,799.90 : 71,715.51 = 14,521.32 : x
  2. Step 2: Convert to fraction form
    47,799.90/71,715.51 = 14,521.32/x
  3. Step 3: Cross multiply
    47,799.90x = 71,715.51 × 14,521.32
  4. Step 4: Simplify right side
    47,799.90x = 1,041,403,869.67
  5. Step 5: Solve for x
    x = 1,041,403,869.67/47,799.90
  6. Step 6: Final answer
    x = 21,786.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.