Home / 56,240.46-77,611.77-30,746.97

Finding the Fourth Proportional to 56,240.46, 77,611.77 and 30,746.97

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Solution

The fourth proportional to 56,240.46, 77,611.77 and 30,746.97 is: 42,430.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,240.46 : 77,611.77 = 30,746.97 : x
  2. Step 2: Convert to fraction form
    56,240.46/77,611.77 = 30,746.97/x
  3. Step 3: Cross multiply
    56,240.46x = 77,611.77 × 30,746.97
  4. Step 4: Simplify right side
    56,240.46x = 2,386,326,763.84
  5. Step 5: Solve for x
    x = 2,386,326,763.84/56,240.46
  6. Step 6: Final answer
    x = 42,430.78

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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.