Home / 52,212.53-72,053.36-28,339.22

Finding the Fourth Proportional to 52,212.53, 72,053.36 and 28,339.22

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Solution

The fourth proportional to 52,212.53, 72,053.36 and 28,339.22 is: 39,108.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,212.53 : 72,053.36 = 28,339.22 : x
  2. Step 2: Convert to fraction form
    52,212.53/72,053.36 = 28,339.22/x
  3. Step 3: Cross multiply
    52,212.53x = 72,053.36 × 28,339.22
  4. Step 4: Simplify right side
    52,212.53x = 2,041,935,919.60
  5. Step 5: Solve for x
    x = 2,041,935,919.60/52,212.53
  6. Step 6: Final answer
    x = 39,108.16

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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.