Home / 93,583.85-129,145.76-51,142.37

Finding the Fourth Proportional to 93,583.85, 129,145.76 and 51,142.37

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Solution

The fourth proportional to 93,583.85, 129,145.76 and 51,142.37 is: 70,576.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,583.85 : 129,145.76 = 51,142.37 : x
  2. Step 2: Convert to fraction form
    93,583.85/129,145.76 = 51,142.37/x
  3. Step 3: Cross multiply
    93,583.85x = 129,145.76 × 51,142.37
  4. Step 4: Simplify right side
    93,583.85x = 6,604,820,309.00
  5. Step 5: Solve for x
    x = 6,604,820,309.00/93,583.85
  6. Step 6: Final answer
    x = 70,576.50

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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.