Home / 93,680.40-129,282.03-51,238.92

Finding the Fourth Proportional to 93,680.40, 129,282.03 and 51,238.92

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Solution

The fourth proportional to 93,680.40, 129,282.03 and 51,238.92 is: 70,711.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,680.40 : 129,282.03 = 51,238.92 : x
  2. Step 2: Convert to fraction form
    93,680.40/129,282.03 = 51,238.92/x
  3. Step 3: Cross multiply
    93,680.40x = 129,282.03 × 51,238.92
  4. Step 4: Simplify right side
    93,680.40x = 6,624,271,592.61
  5. Step 5: Solve for x
    x = 6,624,271,592.61/93,680.40
  6. Step 6: Final answer
    x = 70,711.39

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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.