Home / 77,275.22-106,625.36-45,432.50

Finding the Fourth Proportional to 77,275.22, 106,625.36 and 45,432.50

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Solution

The fourth proportional to 77,275.22, 106,625.36 and 45,432.50 is: 62,688.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,275.22 : 106,625.36 = 45,432.50 : x
  2. Step 2: Convert to fraction form
    77,275.22/106,625.36 = 45,432.50/x
  3. Step 3: Cross multiply
    77,275.22x = 106,625.36 × 45,432.50
  4. Step 4: Simplify right side
    77,275.22x = 4,844,256,248.65
  5. Step 5: Solve for x
    x = 4,844,256,248.65/77,275.22
  6. Step 6: Final answer
    x = 62,688.36

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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.