Home / 93,686.20-140,529.30-83,844.70

Finding the Fourth Proportional to 93,686.20, 140,529.30 and 83,844.70

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Solution

The fourth proportional to 93,686.20, 140,529.30 and 83,844.70 is: 125,767.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,686.20 : 140,529.30 = 83,844.70 : x
  2. Step 2: Convert to fraction form
    93,686.20/140,529.30 = 83,844.70/x
  3. Step 3: Cross multiply
    93,686.20x = 140,529.30 × 83,844.70
  4. Step 4: Simplify right side
    93,686.20x = 11,782,636,999.71
  5. Step 5: Solve for x
    x = 11,782,636,999.71/93,686.20
  6. Step 6: Final answer
    x = 125,767.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.