Home / 53,240.18-79,792.43-28,292.18

Finding the Fourth Proportional to 53,240.18, 79,792.43 and 28,292.18

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Solution

The fourth proportional to 53,240.18, 79,792.43 and 28,292.18 is: 42,402.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,240.18 : 79,792.43 = 28,292.18 : x
  2. Step 2: Convert to fraction form
    53,240.18/79,792.43 = 28,292.18/x
  3. Step 3: Cross multiply
    53,240.18x = 79,792.43 × 28,292.18
  4. Step 4: Simplify right side
    53,240.18x = 2,257,501,251.77
  5. Step 5: Solve for x
    x = 2,257,501,251.77/53,240.18
  6. Step 6: Final answer
    x = 42,402.21

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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.