Home / 77,646.24-107,157.60-43,658.64

Finding the Fourth Proportional to 77,646.24, 107,157.60 and 43,658.64

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Solution

The fourth proportional to 77,646.24, 107,157.60 and 43,658.64 is: 60,252.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,646.24 : 107,157.60 = 43,658.64 : x
  2. Step 2: Convert to fraction form
    77,646.24/107,157.60 = 43,658.64/x
  3. Step 3: Cross multiply
    77,646.24x = 107,157.60 × 43,658.64
  4. Step 4: Simplify right side
    77,646.24x = 4,678,355,081.66
  5. Step 5: Solve for x
    x = 4,678,355,081.66/77,646.24
  6. Step 6: Final answer
    x = 60,252.18

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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.