Home / 86,341.76-129,403.86-46,261.34

Finding the Fourth Proportional to 86,341.76, 129,403.86 and 46,261.34

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Solution

The fourth proportional to 86,341.76, 129,403.86 and 46,261.34 is: 69,333.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,341.76 : 129,403.86 = 46,261.34 : x
  2. Step 2: Convert to fraction form
    86,341.76/129,403.86 = 46,261.34/x
  3. Step 3: Cross multiply
    86,341.76x = 129,403.86 × 46,261.34
  4. Step 4: Simplify right side
    86,341.76x = 5,986,396,253.71
  5. Step 5: Solve for x
    x = 5,986,396,253.71/86,341.76
  6. Step 6: Final answer
    x = 69,333.73

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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.