Home / 75,663.16-104,411.14-43,396.12

Finding the Fourth Proportional to 75,663.16, 104,411.14 and 43,396.12

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Solution

The fourth proportional to 75,663.16, 104,411.14 and 43,396.12 is: 59,884.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,663.16 : 104,411.14 = 43,396.12 : x
  2. Step 2: Convert to fraction form
    75,663.16/104,411.14 = 43,396.12/x
  3. Step 3: Cross multiply
    75,663.16x = 104,411.14 × 43,396.12
  4. Step 4: Simplify right side
    75,663.16x = 4,531,038,360.78
  5. Step 5: Solve for x
    x = 4,531,038,360.78/75,663.16
  6. Step 6: Final answer
    x = 59,884.34

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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.