Home / 75,834.88-104,643.84-53,440

Finding the Fourth Proportional to 75,834.88, 104,643.84 and 53,440

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Solution

The fourth proportional to 75,834.88, 104,643.84 and 53,440 is: 73,741.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,834.88 : 104,643.84 = 53,440 : x
  2. Step 2: Convert to fraction form
    75,834.88/104,643.84 = 53,440/x
  3. Step 3: Cross multiply
    75,834.88x = 104,643.84 × 53,440
  4. Step 4: Simplify right side
    75,834.88x = 5,592,166,809.60
  5. Step 5: Solve for x
    x = 5,592,166,809.60/75,834.88
  6. Step 6: Final answer
    x = 73,741.36

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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.