Home / 75,864.69-113,740.88-36,384.21

Finding the Fourth Proportional to 75,864.69, 113,740.88 and 36,384.21

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Solution

The fourth proportional to 75,864.69, 113,740.88 and 36,384.21 is: 54,549.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,864.69 : 113,740.88 = 36,384.21 : x
  2. Step 2: Convert to fraction form
    75,864.69/113,740.88 = 36,384.21/x
  3. Step 3: Cross multiply
    75,864.69x = 113,740.88 × 36,384.21
  4. Step 4: Simplify right side
    75,864.69x = 4,138,371,881.58
  5. Step 5: Solve for x
    x = 4,138,371,881.58/75,864.69
  6. Step 6: Final answer
    x = 54,549.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.