Home / 75,761.28-104,518.08-45,538.56

Finding the Fourth Proportional to 75,761.28, 104,518.08 and 45,538.56

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Solution

The fourth proportional to 75,761.28, 104,518.08 and 45,538.56 is: 62,823.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,761.28 : 104,518.08 = 45,538.56 : x
  2. Step 2: Convert to fraction form
    75,761.28/104,518.08 = 45,538.56/x
  3. Step 3: Cross multiply
    75,761.28x = 104,518.08 × 45,538.56
  4. Step 4: Simplify right side
    75,761.28x = 4,759,602,857.16
  5. Step 5: Solve for x
    x = 4,759,602,857.16/75,761.28
  6. Step 6: Final answer
    x = 62,823.69

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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.