Home / 86,631.33-129,946.23-27,465.48

Finding the Fourth Proportional to 86,631.33, 129,946.23 and 27,465.48

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Solution

The fourth proportional to 86,631.33, 129,946.23 and 27,465.48 is: 41,197.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,631.33 : 129,946.23 = 27,465.48 : x
  2. Step 2: Convert to fraction form
    86,631.33/129,946.23 = 27,465.48/x
  3. Step 3: Cross multiply
    86,631.33x = 129,946.23 × 27,465.48
  4. Step 4: Simplify right side
    86,631.33x = 3,569,035,581.14
  5. Step 5: Solve for x
    x = 3,569,035,581.14/86,631.33
  6. Step 6: Final answer
    x = 41,197.98

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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.