Home / 67,822.80-101,831.40-51,298.80

Finding the Fourth Proportional to 67,822.80, 101,831.40 and 51,298.80

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Solution

The fourth proportional to 67,822.80, 101,831.40 and 51,298.80 is: 77,021.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,822.80 : 101,831.40 = 51,298.80 : x
  2. Step 2: Convert to fraction form
    67,822.80/101,831.40 = 51,298.80/x
  3. Step 3: Cross multiply
    67,822.80x = 101,831.40 × 51,298.80
  4. Step 4: Simplify right side
    67,822.80x = 5,223,828,622.32
  5. Step 5: Solve for x
    x = 5,223,828,622.32/67,822.80
  6. Step 6: Final answer
    x = 77,021.72

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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.