Home / 56,726.24-85,127.64-42,696.64

Finding the Fourth Proportional to 56,726.24, 85,127.64 and 42,696.64

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Solution

The fourth proportional to 56,726.24, 85,127.64 and 42,696.64 is: 64,073.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,726.24 : 85,127.64 = 42,696.64 : x
  2. Step 2: Convert to fraction form
    56,726.24/85,127.64 = 42,696.64/x
  3. Step 3: Cross multiply
    56,726.24x = 85,127.64 × 42,696.64
  4. Step 4: Simplify right side
    56,726.24x = 3,634,663,773.49
  5. Step 5: Solve for x
    x = 3,634,663,773.49/56,726.24
  6. Step 6: Final answer
    x = 64,073.77

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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.