Home / 72,964.36-109,249.17-37,830.16

Finding the Fourth Proportional to 72,964.36, 109,249.17 and 37,830.16

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Solution

The fourth proportional to 72,964.36, 109,249.17 and 37,830.16 is: 56,642.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,964.36 : 109,249.17 = 37,830.16 : x
  2. Step 2: Convert to fraction form
    72,964.36/109,249.17 = 37,830.16/x
  3. Step 3: Cross multiply
    72,964.36x = 109,249.17 × 37,830.16
  4. Step 4: Simplify right side
    72,964.36x = 4,132,913,580.97
  5. Step 5: Solve for x
    x = 4,132,913,580.97/72,964.36
  6. Step 6: Final answer
    x = 56,642.91

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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.