Home / 75,271.55-112,907.33-47,277.95

Finding the Fourth Proportional to 75,271.55, 112,907.33 and 47,277.95

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Solution

The fourth proportional to 75,271.55, 112,907.33 and 47,277.95 is: 70,916.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,271.55 : 112,907.33 = 47,277.95 : x
  2. Step 2: Convert to fraction form
    75,271.55/112,907.33 = 47,277.95/x
  3. Step 3: Cross multiply
    75,271.55x = 112,907.33 × 47,277.95
  4. Step 4: Simplify right side
    75,271.55x = 5,338,026,865.98
  5. Step 5: Solve for x
    x = 5,338,026,865.98/75,271.55
  6. Step 6: Final answer
    x = 70,916.93

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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.