Home / 53,132.36-79,730.14-26,839.76

Finding the Fourth Proportional to 53,132.36, 79,730.14 and 26,839.76

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Solution

The fourth proportional to 53,132.36, 79,730.14 and 26,839.76 is: 40,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,132.36 : 79,730.14 = 26,839.76 : x
  2. Step 2: Convert to fraction form
    53,132.36/79,730.14 = 26,839.76/x
  3. Step 3: Cross multiply
    53,132.36x = 79,730.14 × 26,839.76
  4. Step 4: Simplify right side
    53,132.36x = 2,139,937,822.37
  5. Step 5: Solve for x
    x = 2,139,937,822.37/53,132.36
  6. Step 6: Final answer
    x = 40,275.60

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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.