Home / 77,113.61-106,385.46-50,246.31

Finding the Fourth Proportional to 77,113.61, 106,385.46 and 50,246.31

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Solution

The fourth proportional to 77,113.61, 106,385.46 and 50,246.31 is: 69,319.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,113.61 : 106,385.46 = 50,246.31 : x
  2. Step 2: Convert to fraction form
    77,113.61/106,385.46 = 50,246.31/x
  3. Step 3: Cross multiply
    77,113.61x = 106,385.46 × 50,246.31
  4. Step 4: Simplify right side
    77,113.61x = 5,345,476,802.65
  5. Step 5: Solve for x
    x = 5,345,476,802.65/77,113.61
  6. Step 6: Final answer
    x = 69,319.50

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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.