Home / 53,188.60-79,797.30-47,385.40

Finding the Fourth Proportional to 53,188.60, 79,797.30 and 47,385.40

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Solution

The fourth proportional to 53,188.60, 79,797.30 and 47,385.40 is: 71,090.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,188.60 : 79,797.30 = 47,385.40 : x
  2. Step 2: Convert to fraction form
    53,188.60/79,797.30 = 47,385.40/x
  3. Step 3: Cross multiply
    53,188.60x = 79,797.30 × 47,385.40
  4. Step 4: Simplify right side
    53,188.60x = 3,781,226,979.42
  5. Step 5: Solve for x
    x = 3,781,226,979.42/53,188.60
  6. Step 6: Final answer
    x = 71,090.93

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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.