Home / 56,206.76-77,565.36-31,056.24

Finding the Fourth Proportional to 56,206.76, 77,565.36 and 31,056.24

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Solution

The fourth proportional to 56,206.76, 77,565.36 and 31,056.24 is: 42,857.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,206.76 : 77,565.36 = 31,056.24 : x
  2. Step 2: Convert to fraction form
    56,206.76/77,565.36 = 31,056.24/x
  3. Step 3: Cross multiply
    56,206.76x = 77,565.36 × 31,056.24
  4. Step 4: Simplify right side
    56,206.76x = 2,408,888,435.85
  5. Step 5: Solve for x
    x = 2,408,888,435.85/56,206.76
  6. Step 6: Final answer
    x = 42,857.63

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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.