Home / 86,243.19-129,355.70-23,069.69

Finding the Fourth Proportional to 86,243.19, 129,355.70 and 23,069.69

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Solution

The fourth proportional to 86,243.19, 129,355.70 and 23,069.69 is: 34,602.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,243.19 : 129,355.70 = 23,069.69 : x
  2. Step 2: Convert to fraction form
    86,243.19/129,355.70 = 23,069.69/x
  3. Step 3: Cross multiply
    86,243.19x = 129,355.70 × 23,069.69
  4. Step 4: Simplify right side
    86,243.19x = 2,984,196,106.77
  5. Step 5: Solve for x
    x = 2,984,196,106.77/86,243.19
  6. Step 6: Final answer
    x = 34,602.11

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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.