Home / 72,094.22-99,490.24-40,264.32

Finding the Fourth Proportional to 72,094.22, 99,490.24 and 40,264.32

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Solution

The fourth proportional to 72,094.22, 99,490.24 and 40,264.32 is: 55,564.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,094.22 : 99,490.24 = 40,264.32 : x
  2. Step 2: Convert to fraction form
    72,094.22/99,490.24 = 40,264.32/x
  3. Step 3: Cross multiply
    72,094.22x = 99,490.24 × 40,264.32
  4. Step 4: Simplify right side
    72,094.22x = 4,005,906,860.24
  5. Step 5: Solve for x
    x = 4,005,906,860.24/72,094.22
  6. Step 6: Final answer
    x = 55,564.88

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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.