Home / 74,491.68-102,838.32-46,221.60

Finding the Fourth Proportional to 74,491.68, 102,838.32 and 46,221.60

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Solution

The fourth proportional to 74,491.68, 102,838.32 and 46,221.60 is: 63,810.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,491.68 : 102,838.32 = 46,221.60 : x
  2. Step 2: Convert to fraction form
    74,491.68/102,838.32 = 46,221.60/x
  3. Step 3: Cross multiply
    74,491.68x = 102,838.32 × 46,221.60
  4. Step 4: Simplify right side
    74,491.68x = 4,753,351,691.71
  5. Step 5: Solve for x
    x = 4,753,351,691.71/74,491.68
  6. Step 6: Final answer
    x = 63,810.50

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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.