Home / 93,320.61-139,901.64-43,429.68

Finding the Fourth Proportional to 93,320.61, 139,901.64 and 43,429.68

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Solution

The fourth proportional to 93,320.61, 139,901.64 and 43,429.68 is: 65,107.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,320.61 : 139,901.64 = 43,429.68 : x
  2. Step 2: Convert to fraction form
    93,320.61/139,901.64 = 43,429.68/x
  3. Step 3: Cross multiply
    93,320.61x = 139,901.64 × 43,429.68
  4. Step 4: Simplify right side
    93,320.61x = 6,075,883,456.68
  5. Step 5: Solve for x
    x = 6,075,883,456.68/93,320.61
  6. Step 6: Final answer
    x = 65,107.63

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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.