Home / 53,103.36-79,686.63-26,810.76

Finding the Fourth Proportional to 53,103.36, 79,686.63 and 26,810.76

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Solution

The fourth proportional to 53,103.36, 79,686.63 and 26,810.76 is: 40,232.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,103.36 : 79,686.63 = 26,810.76 : x
  2. Step 2: Convert to fraction form
    53,103.36/79,686.63 = 26,810.76/x
  3. Step 3: Cross multiply
    53,103.36x = 79,686.63 × 26,810.76
  4. Step 4: Simplify right side
    53,103.36x = 2,136,459,112.14
  5. Step 5: Solve for x
    x = 2,136,459,112.14/53,103.36
  6. Step 6: Final answer
    x = 40,232.09

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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.