Home / 61,066.34-91,612.57-18,945.51

Finding the Fourth Proportional to 61,066.34, 91,612.57 and 18,945.51

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Solution

The fourth proportional to 61,066.34, 91,612.57 and 18,945.51 is: 28,422.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,066.34 : 91,612.57 = 18,945.51 : x
  2. Step 2: Convert to fraction form
    61,066.34/91,612.57 = 18,945.51/x
  3. Step 3: Cross multiply
    61,066.34x = 91,612.57 × 18,945.51
  4. Step 4: Simplify right side
    61,066.34x = 1,735,646,861.06
  5. Step 5: Solve for x
    x = 1,735,646,861.06/61,066.34
  6. Step 6: Final answer
    x = 28,422.32

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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.