Home / 53,113.12-79,718.82-26,836.24

Finding the Fourth Proportional to 53,113.12, 79,718.82 and 26,836.24

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Solution

The fourth proportional to 53,113.12, 79,718.82 and 26,836.24 is: 40,279.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,113.12 : 79,718.82 = 26,836.24 : x
  2. Step 2: Convert to fraction form
    53,113.12/79,718.82 = 26,836.24/x
  3. Step 3: Cross multiply
    53,113.12x = 79,718.82 × 26,836.24
  4. Step 4: Simplify right side
    53,113.12x = 2,139,353,386.04
  5. Step 5: Solve for x
    x = 2,139,353,386.04/53,113.12
  6. Step 6: Final answer
    x = 40,279.19

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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.