Home / 89,127.80-122,994.39-48,840.68

Finding the Fourth Proportional to 89,127.80, 122,994.39 and 48,840.68

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Solution

The fourth proportional to 89,127.80, 122,994.39 and 48,840.68 is: 67,399.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,127.80 : 122,994.39 = 48,840.68 : x
  2. Step 2: Convert to fraction form
    89,127.80/122,994.39 = 48,840.68/x
  3. Step 3: Cross multiply
    89,127.80x = 122,994.39 × 48,840.68
  4. Step 4: Simplify right side
    89,127.80x = 6,007,129,643.79
  5. Step 5: Solve for x
    x = 6,007,129,643.79/89,127.80
  6. Step 6: Final answer
    x = 67,399.06

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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.