Home / 53,443.08-80,178.29-43,970.64

Finding the Fourth Proportional to 53,443.08, 80,178.29 and 43,970.64

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Solution

The fourth proportional to 53,443.08, 80,178.29 and 43,970.64 is: 65,967.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,443.08 : 80,178.29 = 43,970.64 : x
  2. Step 2: Convert to fraction form
    53,443.08/80,178.29 = 43,970.64/x
  3. Step 3: Cross multiply
    53,443.08x = 80,178.29 × 43,970.64
  4. Step 4: Simplify right side
    53,443.08x = 3,525,490,725.41
  5. Step 5: Solve for x
    x = 3,525,490,725.41/53,443.08
  6. Step 6: Final answer
    x = 65,967.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.