Home / 93,564.85-129,120.40-51,123.38

Finding the Fourth Proportional to 93,564.85, 129,120.40 and 51,123.38

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Solution

The fourth proportional to 93,564.85, 129,120.40 and 51,123.38 is: 70,550.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,564.85 : 129,120.40 = 51,123.38 : x
  2. Step 2: Convert to fraction form
    93,564.85/129,120.40 = 51,123.38/x
  3. Step 3: Cross multiply
    93,564.85x = 129,120.40 × 51,123.38
  4. Step 4: Simplify right side
    93,564.85x = 6,601,071,274.95
  5. Step 5: Solve for x
    x = 6,601,071,274.95/93,564.85
  6. Step 6: Final answer
    x = 70,550.76

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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.