Home / 47,240.87-65,187.57-29,088.71

Finding the Fourth Proportional to 47,240.87, 65,187.57 and 29,088.71

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Solution

The fourth proportional to 47,240.87, 65,187.57 and 29,088.71 is: 40,139.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,240.87 : 65,187.57 = 29,088.71 : x
  2. Step 2: Convert to fraction form
    47,240.87/65,187.57 = 29,088.71/x
  3. Step 3: Cross multiply
    47,240.87x = 65,187.57 × 29,088.71
  4. Step 4: Simplify right side
    47,240.87x = 1,896,222,319.33
  5. Step 5: Solve for x
    x = 1,896,222,319.33/47,240.87
  6. Step 6: Final answer
    x = 40,139.45

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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.