Home / 93,583.90-129,143.71-51,142.73

Finding the Fourth Proportional to 93,583.90, 129,143.71 and 51,142.73

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Solution

The fourth proportional to 93,583.90, 129,143.71 and 51,142.73 is: 70,575.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,583.90 : 129,143.71 = 51,142.73 : x
  2. Step 2: Convert to fraction form
    93,583.90/129,143.71 = 51,142.73/x
  3. Step 3: Cross multiply
    93,583.90x = 129,143.71 × 51,142.73
  4. Step 4: Simplify right side
    93,583.90x = 6,604,761,891.73
  5. Step 5: Solve for x
    x = 6,604,761,891.73/93,583.90
  6. Step 6: Final answer
    x = 70,575.84

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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.