Home / 53,280.64-80,011.68-51,051.52

Finding the Fourth Proportional to 53,280.64, 80,011.68 and 51,051.52

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Solution

The fourth proportional to 53,280.64, 80,011.68 and 51,051.52 is: 76,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,280.64 : 80,011.68 = 51,051.52 : x
  2. Step 2: Convert to fraction form
    53,280.64/80,011.68 = 51,051.52/x
  3. Step 3: Cross multiply
    53,280.64x = 80,011.68 × 51,051.52
  4. Step 4: Simplify right side
    53,280.64x = 4,084,717,881.75
  5. Step 5: Solve for x
    x = 4,084,717,881.75/53,280.64
  6. Step 6: Final answer
    x = 76,664.20

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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.