Home / 48,153.49-72,182.85-28,137.58

Finding the Fourth Proportional to 48,153.49, 72,182.85 and 28,137.58

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Solution

The fourth proportional to 48,153.49, 72,182.85 and 28,137.58 is: 42,178.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,153.49 : 72,182.85 = 28,137.58 : x
  2. Step 2: Convert to fraction form
    48,153.49/72,182.85 = 28,137.58/x
  3. Step 3: Cross multiply
    48,153.49x = 72,182.85 × 28,137.58
  4. Step 4: Simplify right side
    48,153.49x = 2,031,050,618.63
  5. Step 5: Solve for x
    x = 2,031,050,618.63/48,153.49
  6. Step 6: Final answer
    x = 42,178.68

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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.