Home / 102,022.60-153,033.90-31,901.80

Finding the Fourth Proportional to 102,022.60, 153,033.90 and 31,901.80

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Solution

The fourth proportional to 102,022.60, 153,033.90 and 31,901.80 is: 47,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,022.60 : 153,033.90 = 31,901.80 : x
  2. Step 2: Convert to fraction form
    102,022.60/153,033.90 = 31,901.80/x
  3. Step 3: Cross multiply
    102,022.60x = 153,033.90 × 31,901.80
  4. Step 4: Simplify right side
    102,022.60x = 4,882,056,871.02
  5. Step 5: Solve for x
    x = 4,882,056,871.02/102,022.60
  6. Step 6: Final answer
    x = 47,852.70

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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.