Home / 65,868.52-90,907.14-37,579.72

Finding the Fourth Proportional to 65,868.52, 90,907.14 and 37,579.72

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Solution

The fourth proportional to 65,868.52, 90,907.14 and 37,579.72 is: 51,864.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,868.52 : 90,907.14 = 37,579.72 : x
  2. Step 2: Convert to fraction form
    65,868.52/90,907.14 = 37,579.72/x
  3. Step 3: Cross multiply
    65,868.52x = 90,907.14 × 37,579.72
  4. Step 4: Simplify right side
    65,868.52x = 3,416,264,867.20
  5. Step 5: Solve for x
    x = 3,416,264,867.20/65,868.52
  6. Step 6: Final answer
    x = 51,864.91

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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.