Home / 75,032.07-112,506.54-30,689.96

Finding the Fourth Proportional to 75,032.07, 112,506.54 and 30,689.96

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Solution

The fourth proportional to 75,032.07, 112,506.54 and 30,689.96 is: 46,017.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,032.07 : 112,506.54 = 30,689.96 : x
  2. Step 2: Convert to fraction form
    75,032.07/112,506.54 = 30,689.96/x
  3. Step 3: Cross multiply
    75,032.07x = 112,506.54 × 30,689.96
  4. Step 4: Simplify right side
    75,032.07x = 3,452,821,212.34
  5. Step 5: Solve for x
    x = 3,452,821,212.34/75,032.07
  6. Step 6: Final answer
    x = 46,017.94

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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.