Home / 86,249.48-129,366.81-52,506.74

Finding the Fourth Proportional to 86,249.48, 129,366.81 and 52,506.74

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Solution

The fourth proportional to 86,249.48, 129,366.81 and 52,506.74 is: 78,755.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,249.48 : 129,366.81 = 52,506.74 : x
  2. Step 2: Convert to fraction form
    86,249.48/129,366.81 = 52,506.74/x
  3. Step 3: Cross multiply
    86,249.48x = 129,366.81 × 52,506.74
  4. Step 4: Simplify right side
    86,249.48x = 6,792,628,547.93
  5. Step 5: Solve for x
    x = 6,792,628,547.93/86,249.48
  6. Step 6: Final answer
    x = 78,755.59

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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.