Home / 56,264.24-77,646.32-30,772.08

Finding the Fourth Proportional to 56,264.24, 77,646.32 and 30,772.08

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Solution

The fourth proportional to 56,264.24, 77,646.32 and 30,772.08 is: 42,466.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,264.24 : 77,646.32 = 30,772.08 : x
  2. Step 2: Convert to fraction form
    56,264.24/77,646.32 = 30,772.08/x
  3. Step 3: Cross multiply
    56,264.24x = 77,646.32 × 30,772.08
  4. Step 4: Simplify right side
    56,264.24x = 2,389,338,770.75
  5. Step 5: Solve for x
    x = 2,389,338,770.75/56,264.24
  6. Step 6: Final answer
    x = 42,466.38

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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.