Home / 73,931.40-102,025.22-42,100.31

Finding the Fourth Proportional to 73,931.40, 102,025.22 and 42,100.31

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Solution

The fourth proportional to 73,931.40, 102,025.22 and 42,100.31 is: 58,098.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,931.40 : 102,025.22 = 42,100.31 : x
  2. Step 2: Convert to fraction form
    73,931.40/102,025.22 = 42,100.31/x
  3. Step 3: Cross multiply
    73,931.40x = 102,025.22 × 42,100.31
  4. Step 4: Simplify right side
    73,931.40x = 4,295,293,097.30
  5. Step 5: Solve for x
    x = 4,295,293,097.30/73,931.40
  6. Step 6: Final answer
    x = 58,098.36

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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.