Home / 73,210.15-109,842.56-28,867.82

Finding the Fourth Proportional to 73,210.15, 109,842.56 and 28,867.82

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Solution

The fourth proportional to 73,210.15, 109,842.56 and 28,867.82 is: 43,312.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,210.15 : 109,842.56 = 28,867.82 : x
  2. Step 2: Convert to fraction form
    73,210.15/109,842.56 = 28,867.82/x
  3. Step 3: Cross multiply
    73,210.15x = 109,842.56 × 28,867.82
  4. Step 4: Simplify right side
    73,210.15x = 3,170,914,701.21
  5. Step 5: Solve for x
    x = 3,170,914,701.21/73,210.15
  6. Step 6: Final answer
    x = 43,312.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.