Home / 104,685.50-157,070.24-38,130.23

Finding the Fourth Proportional to 104,685.50, 157,070.24 and 38,130.23

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Solution

The fourth proportional to 104,685.50, 157,070.24 and 38,130.23 is: 57,210.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,685.50 : 157,070.24 = 38,130.23 : x
  2. Step 2: Convert to fraction form
    104,685.50/157,070.24 = 38,130.23/x
  3. Step 3: Cross multiply
    104,685.50x = 157,070.24 × 38,130.23
  4. Step 4: Simplify right side
    104,685.50x = 5,989,123,401.35
  5. Step 5: Solve for x
    x = 5,989,123,401.35/104,685.50
  6. Step 6: Final answer
    x = 57,210.63

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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.