Home / 75,030.12-112,600.52-35,587.36

Finding the Fourth Proportional to 75,030.12, 112,600.52 and 35,587.36

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Solution

The fourth proportional to 75,030.12, 112,600.52 and 35,587.36 is: 53,407.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,030.12 : 112,600.52 = 35,587.36 : x
  2. Step 2: Convert to fraction form
    75,030.12/112,600.52 = 35,587.36/x
  3. Step 3: Cross multiply
    75,030.12x = 112,600.52 × 35,587.36
  4. Step 4: Simplify right side
    75,030.12x = 4,007,155,241.43
  5. Step 5: Solve for x
    x = 4,007,155,241.43/75,030.12
  6. Step 6: Final answer
    x = 53,407.29

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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.