Home / 77,276.70-106,642.98-47,063.43

Finding the Fourth Proportional to 77,276.70, 106,642.98 and 47,063.43

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Solution

The fourth proportional to 77,276.70, 106,642.98 and 47,063.43 is: 64,948.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,276.70 : 106,642.98 = 47,063.43 : x
  2. Step 2: Convert to fraction form
    77,276.70/106,642.98 = 47,063.43/x
  3. Step 3: Cross multiply
    77,276.70x = 106,642.98 × 47,063.43
  4. Step 4: Simplify right side
    77,276.70x = 5,018,984,424.22
  5. Step 5: Solve for x
    x = 5,018,984,424.22/77,276.70
  6. Step 6: Final answer
    x = 64,948.22

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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.