Home / 80,810.51-121,217.73-27,502.39

Finding the Fourth Proportional to 80,810.51, 121,217.73 and 27,502.39

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Solution

The fourth proportional to 80,810.51, 121,217.73 and 27,502.39 is: 41,254.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,810.51 : 121,217.73 = 27,502.39 : x
  2. Step 2: Convert to fraction form
    80,810.51/121,217.73 = 27,502.39/x
  3. Step 3: Cross multiply
    80,810.51x = 121,217.73 × 27,502.39
  4. Step 4: Simplify right side
    80,810.51x = 3,333,776,541.77
  5. Step 5: Solve for x
    x = 3,333,776,541.77/80,810.51
  6. Step 6: Final answer
    x = 41,254.24

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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.