Home / 56,357.45-77,774.16-30,863.35

Finding the Fourth Proportional to 56,357.45, 77,774.16 and 30,863.35

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Solution

The fourth proportional to 56,357.45, 77,774.16 and 30,863.35 is: 42,591.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,357.45 : 77,774.16 = 30,863.35 : x
  2. Step 2: Convert to fraction form
    56,357.45/77,774.16 = 30,863.35/x
  3. Step 3: Cross multiply
    56,357.45x = 77,774.16 × 30,863.35
  4. Step 4: Simplify right side
    56,357.45x = 2,400,371,509.33
  5. Step 5: Solve for x
    x = 2,400,371,509.33/56,357.45
  6. Step 6: Final answer
    x = 42,591.91

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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.