Home / 102,436.92-153,655.20-40,063.68

Finding the Fourth Proportional to 102,436.92, 153,655.20 and 40,063.68

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Solution

The fourth proportional to 102,436.92, 153,655.20 and 40,063.68 is: 60,095.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,436.92 : 153,655.20 = 40,063.68 : x
  2. Step 2: Convert to fraction form
    102,436.92/153,655.20 = 40,063.68/x
  3. Step 3: Cross multiply
    102,436.92x = 153,655.20 × 40,063.68
  4. Step 4: Simplify right side
    102,436.92x = 6,155,992,763.14
  5. Step 5: Solve for x
    x = 6,155,992,763.14/102,436.92
  6. Step 6: Final answer
    x = 60,095.45

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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.