Home / 77,427.90-106,866.54-45,604.62

Finding the Fourth Proportional to 77,427.90, 106,866.54 and 45,604.62

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Solution

The fourth proportional to 77,427.90, 106,866.54 and 45,604.62 is: 62,943.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,427.90 : 106,866.54 = 45,604.62 : x
  2. Step 2: Convert to fraction form
    77,427.90/106,866.54 = 45,604.62/x
  3. Step 3: Cross multiply
    77,427.90x = 106,866.54 × 45,604.62
  4. Step 4: Simplify right side
    77,427.90x = 4,873,607,947.41
  5. Step 5: Solve for x
    x = 4,873,607,947.41/77,427.90
  6. Step 6: Final answer
    x = 62,943.82

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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.