Home / 75,932.34-104,786.64-42,398.34

Finding the Fourth Proportional to 75,932.34, 104,786.64 and 42,398.34

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Solution

The fourth proportional to 75,932.34, 104,786.64 and 42,398.34 is: 58,509.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,932.34 : 104,786.64 = 42,398.34 : x
  2. Step 2: Convert to fraction form
    75,932.34/104,786.64 = 42,398.34/x
  3. Step 3: Cross multiply
    75,932.34x = 104,786.64 × 42,398.34
  4. Step 4: Simplify right side
    75,932.34x = 4,442,779,824.13
  5. Step 5: Solve for x
    x = 4,442,779,824.13/75,932.34
  6. Step 6: Final answer
    x = 58,509.72

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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.