Home / 47,255.64-70,513.23-42,291.16

Finding the Fourth Proportional to 47,255.64, 70,513.23 and 42,291.16

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Solution

The fourth proportional to 47,255.64, 70,513.23 and 42,291.16 is: 63,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,255.64 : 70,513.23 = 42,291.16 : x
  2. Step 2: Convert to fraction form
    47,255.64/70,513.23 = 42,291.16/x
  3. Step 3: Cross multiply
    47,255.64x = 70,513.23 × 42,291.16
  4. Step 4: Simplify right side
    47,255.64x = 2,982,086,292.05
  5. Step 5: Solve for x
    x = 2,982,086,292.05/47,255.64
  6. Step 6: Final answer
    x = 63,105.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.