Home / 71,664.16-98,870.34-43,359.52

Finding the Fourth Proportional to 71,664.16, 98,870.34 and 43,359.52

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Solution

The fourth proportional to 71,664.16, 98,870.34 and 43,359.52 is: 59,820.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,664.16 : 98,870.34 = 43,359.52 : x
  2. Step 2: Convert to fraction form
    71,664.16/98,870.34 = 43,359.52/x
  3. Step 3: Cross multiply
    71,664.16x = 98,870.34 × 43,359.52
  4. Step 4: Simplify right side
    71,664.16x = 4,286,970,484.64
  5. Step 5: Solve for x
    x = 4,286,970,484.64/71,664.16
  6. Step 6: Final answer
    x = 59,820.29

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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.