Home / 65,301.49-90,090.12-42,633.19

Finding the Fourth Proportional to 65,301.49, 90,090.12 and 42,633.19

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Solution

The fourth proportional to 65,301.49, 90,090.12 and 42,633.19 is: 58,816.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,301.49 : 90,090.12 = 42,633.19 : x
  2. Step 2: Convert to fraction form
    65,301.49/90,090.12 = 42,633.19/x
  3. Step 3: Cross multiply
    65,301.49x = 90,090.12 × 42,633.19
  4. Step 4: Simplify right side
    65,301.49x = 3,840,829,203.08
  5. Step 5: Solve for x
    x = 3,840,829,203.08/65,301.49
  6. Step 6: Final answer
    x = 58,816.87

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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.