Home / 56,317.02-77,716.82-30,823.13

Finding the Fourth Proportional to 56,317.02, 77,716.82 and 30,823.13

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Solution

The fourth proportional to 56,317.02, 77,716.82 and 30,823.13 is: 42,535.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,317.02 : 77,716.82 = 30,823.13 : x
  2. Step 2: Convert to fraction form
    56,317.02/77,716.82 = 30,823.13/x
  3. Step 3: Cross multiply
    56,317.02x = 77,716.82 × 30,823.13
  4. Step 4: Simplify right side
    56,317.02x = 2,395,475,744.02
  5. Step 5: Solve for x
    x = 2,395,475,744.02/56,317.02
  6. Step 6: Final answer
    x = 42,535.55

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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.