Home / 114,991.28-172,295.54-40,070.13

Finding the Fourth Proportional to 114,991.28, 172,295.54 and 40,070.13

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Solution

The fourth proportional to 114,991.28, 172,295.54 and 40,070.13 is: 60,038.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,991.28 : 172,295.54 = 40,070.13 : x
  2. Step 2: Convert to fraction form
    114,991.28/172,295.54 = 40,070.13/x
  3. Step 3: Cross multiply
    114,991.28x = 172,295.54 × 40,070.13
  4. Step 4: Simplify right side
    114,991.28x = 6,903,904,686.22
  5. Step 5: Solve for x
    x = 6,903,904,686.22/114,991.28
  6. Step 6: Final answer
    x = 60,038.51

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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.