Home / 47,240.88-65,187.56-29,088.72

Finding the Fourth Proportional to 47,240.88, 65,187.56 and 29,088.72

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Solution

The fourth proportional to 47,240.88, 65,187.56 and 29,088.72 is: 40,139.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,240.88 : 65,187.56 = 29,088.72 : x
  2. Step 2: Convert to fraction form
    47,240.88/65,187.56 = 29,088.72/x
  3. Step 3: Cross multiply
    47,240.88x = 65,187.56 × 29,088.72
  4. Step 4: Simplify right side
    47,240.88x = 1,896,222,680.32
  5. Step 5: Solve for x
    x = 1,896,222,680.32/47,240.88
  6. Step 6: Final answer
    x = 40,139.44

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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.