Home / 53,500.91-73,908.12-42,731.63

Finding the Fourth Proportional to 53,500.91, 73,908.12 and 42,731.63

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Solution

The fourth proportional to 53,500.91, 73,908.12 and 42,731.63 is: 59,031.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,500.91 : 73,908.12 = 42,731.63 : x
  2. Step 2: Convert to fraction form
    53,500.91/73,908.12 = 42,731.63/x
  3. Step 3: Cross multiply
    53,500.91x = 73,908.12 × 42,731.63
  4. Step 4: Simplify right side
    53,500.91x = 3,158,214,437.84
  5. Step 5: Solve for x
    x = 3,158,214,437.84/53,500.91
  6. Step 6: Final answer
    x = 59,031.04

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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.