Home / 47,968.38-66,301.47-42,259.50

Finding the Fourth Proportional to 47,968.38, 66,301.47 and 42,259.50

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Solution

The fourth proportional to 47,968.38, 66,301.47 and 42,259.50 is: 58,410.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,968.38 : 66,301.47 = 42,259.50 : x
  2. Step 2: Convert to fraction form
    47,968.38/66,301.47 = 42,259.50/x
  3. Step 3: Cross multiply
    47,968.38x = 66,301.47 × 42,259.50
  4. Step 4: Simplify right side
    47,968.38x = 2,801,866,971.47
  5. Step 5: Solve for x
    x = 2,801,866,971.47/47,968.38
  6. Step 6: Final answer
    x = 58,410.71

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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.