Home / 93,680.91-129,279.65-51,239.34

Finding the Fourth Proportional to 93,680.91, 129,279.65 and 51,239.34

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Solution

The fourth proportional to 93,680.91, 129,279.65 and 51,239.34 is: 70,710.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,680.91 : 129,279.65 = 51,239.34 : x
  2. Step 2: Convert to fraction form
    93,680.91/129,279.65 = 51,239.34/x
  3. Step 3: Cross multiply
    93,680.91x = 129,279.65 × 51,239.34
  4. Step 4: Simplify right side
    93,680.91x = 6,624,203,685.23
  5. Step 5: Solve for x
    x = 6,624,203,685.23/93,680.91
  6. Step 6: Final answer
    x = 70,710.28

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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.