Home / 72,252.63-99,803.94-55,464.33

Finding the Fourth Proportional to 72,252.63, 99,803.94 and 55,464.33

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Solution

The fourth proportional to 72,252.63, 99,803.94 and 55,464.33 is: 76,613.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,252.63 : 99,803.94 = 55,464.33 : x
  2. Step 2: Convert to fraction form
    72,252.63/99,803.94 = 55,464.33/x
  3. Step 3: Cross multiply
    72,252.63x = 99,803.94 × 55,464.33
  4. Step 4: Simplify right side
    72,252.63x = 5,535,558,663.46
  5. Step 5: Solve for x
    x = 5,535,558,663.46/72,252.63
  6. Step 6: Final answer
    x = 76,613.94

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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.