Home / 75,623.36-104,348.28-42,089.36

Finding the Fourth Proportional to 75,623.36, 104,348.28 and 42,089.36

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Solution

The fourth proportional to 75,623.36, 104,348.28 and 42,089.36 is: 58,076.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,623.36 : 104,348.28 = 42,089.36 : x
  2. Step 2: Convert to fraction form
    75,623.36/104,348.28 = 42,089.36/x
  3. Step 3: Cross multiply
    75,623.36x = 104,348.28 × 42,089.36
  4. Step 4: Simplify right side
    75,623.36x = 4,391,952,322.30
  5. Step 5: Solve for x
    x = 4,391,952,322.30/75,623.36
  6. Step 6: Final answer
    x = 58,076.66

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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.