Home / 50,308.16-75,461.96-12,868.17

Finding the Fourth Proportional to 50,308.16, 75,461.96 and 12,868.17

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Solution

The fourth proportional to 50,308.16, 75,461.96 and 12,868.17 is: 19,302.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,308.16 : 75,461.96 = 12,868.17 : x
  2. Step 2: Convert to fraction form
    50,308.16/75,461.96 = 12,868.17/x
  3. Step 3: Cross multiply
    50,308.16x = 75,461.96 × 12,868.17
  4. Step 4: Simplify right side
    50,308.16x = 971,057,265.47
  5. Step 5: Solve for x
    x = 971,057,265.47/50,308.16
  6. Step 6: Final answer
    x = 19,302.18

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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.