Home / 53,557.71-79,857.74-52,086.39

Finding the Fourth Proportional to 53,557.71, 79,857.74 and 52,086.39

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Solution

The fourth proportional to 53,557.71, 79,857.74 and 52,086.39 is: 77,663.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,557.71 : 79,857.74 = 52,086.39 : x
  2. Step 2: Convert to fraction form
    53,557.71/79,857.74 = 52,086.39/x
  3. Step 3: Cross multiply
    53,557.71x = 79,857.74 × 52,086.39
  4. Step 4: Simplify right side
    53,557.71x = 4,159,501,390.16
  5. Step 5: Solve for x
    x = 4,159,501,390.16/53,557.71
  6. Step 6: Final answer
    x = 77,663.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.