Home / 75,156.41-103,665.93-48,332.84

Finding the Fourth Proportional to 75,156.41, 103,665.93 and 48,332.84

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Solution

The fourth proportional to 75,156.41, 103,665.93 and 48,332.84 is: 66,667.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,156.41 : 103,665.93 = 48,332.84 : x
  2. Step 2: Convert to fraction form
    75,156.41/103,665.93 = 48,332.84/x
  3. Step 3: Cross multiply
    75,156.41x = 103,665.93 × 48,332.84
  4. Step 4: Simplify right side
    75,156.41x = 5,010,468,808.14
  5. Step 5: Solve for x
    x = 5,010,468,808.14/75,156.41
  6. Step 6: Final answer
    x = 66,667.22

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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.