Home / 53,188.77-73,400.22-28,989.66

Finding the Fourth Proportional to 53,188.77, 73,400.22 and 28,989.66

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Solution

The fourth proportional to 53,188.77, 73,400.22 and 28,989.66 is: 40,005.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,188.77 : 73,400.22 = 28,989.66 : x
  2. Step 2: Convert to fraction form
    53,188.77/73,400.22 = 28,989.66/x
  3. Step 3: Cross multiply
    53,188.77x = 73,400.22 × 28,989.66
  4. Step 4: Simplify right side
    53,188.77x = 2,127,847,421.73
  5. Step 5: Solve for x
    x = 2,127,847,421.73/53,188.77
  6. Step 6: Final answer
    x = 40,005.58

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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.