Home / 55,117.47-75,949.52-52,140.09

Finding the Fourth Proportional to 55,117.47, 75,949.52 and 52,140.09

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Solution

The fourth proportional to 55,117.47, 75,949.52 and 52,140.09 is: 71,846.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,117.47 : 75,949.52 = 52,140.09 : x
  2. Step 2: Convert to fraction form
    55,117.47/75,949.52 = 52,140.09/x
  3. Step 3: Cross multiply
    55,117.47x = 75,949.52 × 52,140.09
  4. Step 4: Simplify right side
    55,117.47x = 3,960,014,558.86
  5. Step 5: Solve for x
    x = 3,960,014,558.86/55,117.47
  6. Step 6: Final answer
    x = 71,846.82

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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.