Home / 77,036.49-106,311.06-45,205.92

Finding the Fourth Proportional to 77,036.49, 106,311.06 and 45,205.92

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Solution

The fourth proportional to 77,036.49, 106,311.06 and 45,205.92 is: 62,384.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,036.49 : 106,311.06 = 45,205.92 : x
  2. Step 2: Convert to fraction form
    77,036.49/106,311.06 = 45,205.92/x
  3. Step 3: Cross multiply
    77,036.49x = 106,311.06 × 45,205.92
  4. Step 4: Simplify right side
    77,036.49x = 4,805,889,273.48
  5. Step 5: Solve for x
    x = 4,805,889,273.48/77,036.49
  6. Step 6: Final answer
    x = 62,384.58

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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.