Home / 74,063.13-102,207.18-40,529.13

Finding the Fourth Proportional to 74,063.13, 102,207.18 and 40,529.13

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Solution

The fourth proportional to 74,063.13, 102,207.18 and 40,529.13 is: 55,930.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,063.13 : 102,207.18 = 40,529.13 : x
  2. Step 2: Convert to fraction form
    74,063.13/102,207.18 = 40,529.13/x
  3. Step 3: Cross multiply
    74,063.13x = 102,207.18 × 40,529.13
  4. Step 4: Simplify right side
    74,063.13x = 4,142,368,085.15
  5. Step 5: Solve for x
    x = 4,142,368,085.15/74,063.13
  6. Step 6: Final answer
    x = 55,930.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.