Home / 93,756.82-129,386.54-51,315.46

Finding the Fourth Proportional to 93,756.82, 129,386.54 and 51,315.46

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Solution

The fourth proportional to 93,756.82, 129,386.54 and 51,315.46 is: 70,816.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,756.82 : 129,386.54 = 51,315.46 : x
  2. Step 2: Convert to fraction form
    93,756.82/129,386.54 = 51,315.46/x
  3. Step 3: Cross multiply
    93,756.82x = 129,386.54 × 51,315.46
  4. Step 4: Simplify right side
    93,756.82x = 6,639,529,817.91
  5. Step 5: Solve for x
    x = 6,639,529,817.91/93,756.82
  6. Step 6: Final answer
    x = 70,816.50

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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.