Home / 74,181.16-102,370.50-40,648.36

Finding the Fourth Proportional to 74,181.16, 102,370.50 and 40,648.36

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Solution

The fourth proportional to 74,181.16, 102,370.50 and 40,648.36 is: 56,095.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,181.16 : 102,370.50 = 40,648.36 : x
  2. Step 2: Convert to fraction form
    74,181.16/102,370.50 = 40,648.36/x
  3. Step 3: Cross multiply
    74,181.16x = 102,370.50 × 40,648.36
  4. Step 4: Simplify right side
    74,181.16x = 4,161,192,937.38
  5. Step 5: Solve for x
    x = 4,161,192,937.38/74,181.16
  6. Step 6: Final answer
    x = 56,095.01

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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.