Home / 86,496.53-129,802.50-30,336.59

Finding the Fourth Proportional to 86,496.53, 129,802.50 and 30,336.59

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Solution

The fourth proportional to 86,496.53, 129,802.50 and 30,336.59 is: 45,525.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,496.53 : 129,802.50 = 30,336.59 : x
  2. Step 2: Convert to fraction form
    86,496.53/129,802.50 = 30,336.59/x
  3. Step 3: Cross multiply
    86,496.53x = 129,802.50 × 30,336.59
  4. Step 4: Simplify right side
    86,496.53x = 3,937,765,223.48
  5. Step 5: Solve for x
    x = 3,937,765,223.48/86,496.53
  6. Step 6: Final answer
    x = 45,525.12

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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.