Home / 53,159.28-79,669.32-26,849.76

Finding the Fourth Proportional to 53,159.28, 79,669.32 and 26,849.76

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Solution

The fourth proportional to 53,159.28, 79,669.32 and 26,849.76 is: 40,239.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,159.28 : 79,669.32 = 26,849.76 : x
  2. Step 2: Convert to fraction form
    53,159.28/79,669.32 = 26,849.76/x
  3. Step 3: Cross multiply
    53,159.28x = 79,669.32 × 26,849.76
  4. Step 4: Simplify right side
    53,159.28x = 2,139,102,121.36
  5. Step 5: Solve for x
    x = 2,139,102,121.36/53,159.28
  6. Step 6: Final answer
    x = 40,239.49

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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.