Home / 56,169.36-77,513.82-31,018.86

Finding the Fourth Proportional to 56,169.36, 77,513.82 and 31,018.86

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Solution

The fourth proportional to 56,169.36, 77,513.82 and 31,018.86 is: 42,806.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,169.36 : 77,513.82 = 31,018.86 : x
  2. Step 2: Convert to fraction form
    56,169.36/77,513.82 = 31,018.86/x
  3. Step 3: Cross multiply
    56,169.36x = 77,513.82 × 31,018.86
  4. Step 4: Simplify right side
    56,169.36x = 2,404,390,330.65
  5. Step 5: Solve for x
    x = 2,404,390,330.65/56,169.36
  6. Step 6: Final answer
    x = 42,806.08

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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.