Home / 89,940.09-124,133.58-53,643.87

Finding the Fourth Proportional to 89,940.09, 124,133.58 and 53,643.87

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Solution

The fourth proportional to 89,940.09, 124,133.58 and 53,643.87 is: 74,038.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,940.09 : 124,133.58 = 53,643.87 : x
  2. Step 2: Convert to fraction form
    89,940.09/124,133.58 = 53,643.87/x
  3. Step 3: Cross multiply
    89,940.09x = 124,133.58 × 53,643.87
  4. Step 4: Simplify right side
    89,940.09x = 6,659,005,628.15
  5. Step 5: Solve for x
    x = 6,659,005,628.15/89,940.09
  6. Step 6: Final answer
    x = 74,038.24

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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.