Home / 75,019.10-103,536.16-43,189.34

Finding the Fourth Proportional to 75,019.10, 103,536.16 and 43,189.34

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Solution

The fourth proportional to 75,019.10, 103,536.16 and 43,189.34 is: 59,606.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,019.10 : 103,536.16 = 43,189.34 : x
  2. Step 2: Convert to fraction form
    75,019.10/103,536.16 = 43,189.34/x
  3. Step 3: Cross multiply
    75,019.10x = 103,536.16 × 43,189.34
  4. Step 4: Simplify right side
    75,019.10x = 4,471,658,416.53
  5. Step 5: Solve for x
    x = 4,471,658,416.53/75,019.10
  6. Step 6: Final answer
    x = 59,606.93

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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.