Home / 114,005.10-171,007.65-72,014.70

Finding the Fourth Proportional to 114,005.10, 171,007.65 and 72,014.70

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Solution

The fourth proportional to 114,005.10, 171,007.65 and 72,014.70 is: 108,022.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,005.10 : 171,007.65 = 72,014.70 : x
  2. Step 2: Convert to fraction form
    114,005.10/171,007.65 = 72,014.70/x
  3. Step 3: Cross multiply
    114,005.10x = 171,007.65 × 72,014.70
  4. Step 4: Simplify right side
    114,005.10x = 12,315,064,612.46
  5. Step 5: Solve for x
    x = 12,315,064,612.46/114,005.10
  6. Step 6: Final answer
    x = 108,022.05

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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.