Home / 81,755.32-122,607.06-34,995.64

Finding the Fourth Proportional to 81,755.32, 122,607.06 and 34,995.64

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Solution

The fourth proportional to 81,755.32, 122,607.06 and 34,995.64 is: 52,482.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,755.32 : 122,607.06 = 34,995.64 : x
  2. Step 2: Convert to fraction form
    81,755.32/122,607.06 = 34,995.64/x
  3. Step 3: Cross multiply
    81,755.32x = 122,607.06 × 34,995.64
  4. Step 4: Simplify right side
    81,755.32x = 4,290,712,533.22
  5. Step 5: Solve for x
    x = 4,290,712,533.22/81,755.32
  6. Step 6: Final answer
    x = 52,482.36

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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.