Home / 86,448.44-129,707.22-31,048.76

Finding the Fourth Proportional to 86,448.44, 129,707.22 and 31,048.76

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Solution

The fourth proportional to 86,448.44, 129,707.22 and 31,048.76 is: 46,585.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,448.44 : 129,707.22 = 31,048.76 : x
  2. Step 2: Convert to fraction form
    86,448.44/129,707.22 = 31,048.76/x
  3. Step 3: Cross multiply
    86,448.44x = 129,707.22 × 31,048.76
  4. Step 4: Simplify right side
    86,448.44x = 4,027,248,344.05
  5. Step 5: Solve for x
    x = 4,027,248,344.05/86,448.44
  6. Step 6: Final answer
    x = 46,585.55

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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.