Home / 87,995.37-121,430.57-52,164.08

Finding the Fourth Proportional to 87,995.37, 121,430.57 and 52,164.08

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Solution

The fourth proportional to 87,995.37, 121,430.57 and 52,164.08 is: 71,984.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,995.37 : 121,430.57 = 52,164.08 : x
  2. Step 2: Convert to fraction form
    87,995.37/121,430.57 = 52,164.08/x
  3. Step 3: Cross multiply
    87,995.37x = 121,430.57 × 52,164.08
  4. Step 4: Simplify right side
    87,995.37x = 6,334,313,099.95
  5. Step 5: Solve for x
    x = 6,334,313,099.95/87,995.37
  6. Step 6: Final answer
    x = 71,984.62

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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.