Home / 46,721.55-70,091.56-17,139.64

Finding the Fourth Proportional to 46,721.55, 70,091.56 and 17,139.64

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Solution

The fourth proportional to 46,721.55, 70,091.56 and 17,139.64 is: 25,712.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,721.55 : 70,091.56 = 17,139.64 : x
  2. Step 2: Convert to fraction form
    46,721.55/70,091.56 = 17,139.64/x
  3. Step 3: Cross multiply
    46,721.55x = 70,091.56 × 17,139.64
  4. Step 4: Simplify right side
    46,721.55x = 1,201,344,019.74
  5. Step 5: Solve for x
    x = 1,201,344,019.74/46,721.55
  6. Step 6: Final answer
    x = 25,712.85

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1.5x scale

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.