Home / 56,166.97-77,509.27-30,672.35

Finding the Fourth Proportional to 56,166.97, 77,509.27 and 30,672.35

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Solution

The fourth proportional to 56,166.97, 77,509.27 and 30,672.35 is: 42,327.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,166.97 : 77,509.27 = 30,672.35 : x
  2. Step 2: Convert to fraction form
    56,166.97/77,509.27 = 30,672.35/x
  3. Step 3: Cross multiply
    56,166.97x = 77,509.27 × 30,672.35
  4. Step 4: Simplify right side
    56,166.97x = 2,377,391,457.68
  5. Step 5: Solve for x
    x = 2,377,391,457.68/56,166.97
  6. Step 6: Final answer
    x = 42,327.22

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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.