Home / 65,520.37-98,331.59-45,669.70

Finding the Fourth Proportional to 65,520.37, 98,331.59 and 45,669.70

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Solution

The fourth proportional to 65,520.37, 98,331.59 and 45,669.70 is: 68,540.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,520.37 : 98,331.59 = 45,669.70 : x
  2. Step 2: Convert to fraction form
    65,520.37/98,331.59 = 45,669.70/x
  3. Step 3: Cross multiply
    65,520.37x = 98,331.59 × 45,669.70
  4. Step 4: Simplify right side
    65,520.37x = 4,490,774,215.82
  5. Step 5: Solve for x
    x = 4,490,774,215.82/65,520.37
  6. Step 6: Final answer
    x = 68,540.12

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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.