Home / 86,244.46-129,223.15-30,053.60

Finding the Fourth Proportional to 86,244.46, 129,223.15 and 30,053.60

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Solution

The fourth proportional to 86,244.46, 129,223.15 and 30,053.60 is: 45,030.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,244.46 : 129,223.15 = 30,053.60 : x
  2. Step 2: Convert to fraction form
    86,244.46/129,223.15 = 30,053.60/x
  3. Step 3: Cross multiply
    86,244.46x = 129,223.15 × 30,053.60
  4. Step 4: Simplify right side
    86,244.46x = 3,883,620,860.84
  5. Step 5: Solve for x
    x = 3,883,620,860.84/86,244.46
  6. Step 6: Final answer
    x = 45,030.38

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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.