Home / 74,066.13-102,211.32-40,532.13

Finding the Fourth Proportional to 74,066.13, 102,211.32 and 40,532.13

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Solution

The fourth proportional to 74,066.13, 102,211.32 and 40,532.13 is: 55,934.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,066.13 : 102,211.32 = 40,532.13 : x
  2. Step 2: Convert to fraction form
    74,066.13/102,211.32 = 40,532.13/x
  3. Step 3: Cross multiply
    74,066.13x = 102,211.32 × 40,532.13
  4. Step 4: Simplify right side
    74,066.13x = 4,142,842,509.71
  5. Step 5: Solve for x
    x = 4,142,842,509.71/74,066.13
  6. Step 6: Final answer
    x = 55,934.37

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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.