Home / 89,941.64-124,118.76-49,655.36

Finding the Fourth Proportional to 89,941.64, 124,118.76 and 49,655.36

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Solution

The fourth proportional to 89,941.64, 124,118.76 and 49,655.36 is: 68,524.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,941.64 : 124,118.76 = 49,655.36 : x
  2. Step 2: Convert to fraction form
    89,941.64/124,118.76 = 49,655.36/x
  3. Step 3: Cross multiply
    89,941.64x = 124,118.76 × 49,655.36
  4. Step 4: Simplify right side
    89,941.64x = 6,163,161,710.55
  5. Step 5: Solve for x
    x = 6,163,161,710.55/89,941.64
  6. Step 6: Final answer
    x = 68,524.01

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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.