Home / 77,000.52-106,262.46-45,192.36

Finding the Fourth Proportional to 77,000.52, 106,262.46 and 45,192.36

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Solution

The fourth proportional to 77,000.52, 106,262.46 and 45,192.36 is: 62,366.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,000.52 : 106,262.46 = 45,192.36 : x
  2. Step 2: Convert to fraction form
    77,000.52/106,262.46 = 45,192.36/x
  3. Step 3: Cross multiply
    77,000.52x = 106,262.46 × 45,192.36
  4. Step 4: Simplify right side
    77,000.52x = 4,802,251,346.81
  5. Step 5: Solve for x
    x = 4,802,251,346.81/77,000.52
  6. Step 6: Final answer
    x = 62,366.48

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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.