Home / 53,192.18-79,720.43-28,244.18

Finding the Fourth Proportional to 53,192.18, 79,720.43 and 28,244.18

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Solution

The fourth proportional to 53,192.18, 79,720.43 and 28,244.18 is: 42,330.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,192.18 : 79,720.43 = 28,244.18 : x
  2. Step 2: Convert to fraction form
    53,192.18/79,720.43 = 28,244.18/x
  3. Step 3: Cross multiply
    53,192.18x = 79,720.43 × 28,244.18
  4. Step 4: Simplify right side
    53,192.18x = 2,251,637,634.77
  5. Step 5: Solve for x
    x = 2,251,637,634.77/53,192.18
  6. Step 6: Final answer
    x = 42,330.24

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1.5x scale

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.