Home / 75,752.32-104,538.72-42,220.48

Finding the Fourth Proportional to 75,752.32, 104,538.72 and 42,220.48

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Solution

The fourth proportional to 75,752.32, 104,538.72 and 42,220.48 is: 58,264.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,752.32 : 104,538.72 = 42,220.48 : x
  2. Step 2: Convert to fraction form
    75,752.32/104,538.72 = 42,220.48/x
  3. Step 3: Cross multiply
    75,752.32x = 104,538.72 × 42,220.48
  4. Step 4: Simplify right side
    75,752.32x = 4,413,674,936.99
  5. Step 5: Solve for x
    x = 4,413,674,936.99/75,752.32
  6. Step 6: Final answer
    x = 58,264.55

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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.