Home / 53,099.21-73,265.14-30,730.25

Finding the Fourth Proportional to 53,099.21, 73,265.14 and 30,730.25

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Solution

The fourth proportional to 53,099.21, 73,265.14 and 30,730.25 is: 42,400.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,099.21 : 73,265.14 = 30,730.25 : x
  2. Step 2: Convert to fraction form
    53,099.21/73,265.14 = 30,730.25/x
  3. Step 3: Cross multiply
    53,099.21x = 73,265.14 × 30,730.25
  4. Step 4: Simplify right side
    53,099.21x = 2,251,456,068.49
  5. Step 5: Solve for x
    x = 2,251,456,068.49/53,099.21
  6. Step 6: Final answer
    x = 42,400.93

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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.