Home / 52,212.78-72,053.71-28,339.46

Finding the Fourth Proportional to 52,212.78, 72,053.71 and 28,339.46

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Solution

The fourth proportional to 52,212.78, 72,053.71 and 28,339.46 is: 39,108.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,212.78 : 72,053.71 = 28,339.46 : x
  2. Step 2: Convert to fraction form
    52,212.78/72,053.71 = 28,339.46/x
  3. Step 3: Cross multiply
    52,212.78x = 72,053.71 × 28,339.46
  4. Step 4: Simplify right side
    52,212.78x = 2,041,963,232.40
  5. Step 5: Solve for x
    x = 2,041,963,232.40/52,212.78
  6. Step 6: Final answer
    x = 39,108.50

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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.