Home / 50,985.50-70,369.00-38,129.27

Finding the Fourth Proportional to 50,985.50, 70,369.00 and 38,129.27

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Solution

The fourth proportional to 50,985.50, 70,369.00 and 38,129.27 is: 52,625.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,985.50 : 70,369.00 = 38,129.27 : x
  2. Step 2: Convert to fraction form
    50,985.50/70,369.00 = 38,129.27/x
  3. Step 3: Cross multiply
    50,985.50x = 70,369.00 × 38,129.27
  4. Step 4: Simplify right side
    50,985.50x = 2,683,118,153.46
  5. Step 5: Solve for x
    x = 2,683,118,153.46/50,985.50
  6. Step 6: Final answer
    x = 52,625.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.