Home / 87,713.51-121,044.73-47,427.26

Finding the Fourth Proportional to 87,713.51, 121,044.73 and 47,427.26

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Solution

The fourth proportional to 87,713.51, 121,044.73 and 47,427.26 is: 65,449.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,713.51 : 121,044.73 = 47,427.26 : x
  2. Step 2: Convert to fraction form
    87,713.51/121,044.73 = 47,427.26/x
  3. Step 3: Cross multiply
    87,713.51x = 121,044.73 × 47,427.26
  4. Step 4: Simplify right side
    87,713.51x = 5,740,820,215.16
  5. Step 5: Solve for x
    x = 5,740,820,215.16/87,713.51
  6. Step 6: Final answer
    x = 65,449.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.