Home / 86,827.64-119,784.12-51,001.50

Finding the Fourth Proportional to 86,827.64, 119,784.12 and 51,001.50

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Solution

The fourth proportional to 86,827.64, 119,784.12 and 51,001.50 is: 70,359.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,827.64 : 119,784.12 = 51,001.50 : x
  2. Step 2: Convert to fraction form
    86,827.64/119,784.12 = 51,001.50/x
  3. Step 3: Cross multiply
    86,827.64x = 119,784.12 × 51,001.50
  4. Step 4: Simplify right side
    86,827.64x = 6,109,169,796.18
  5. Step 5: Solve for x
    x = 6,109,169,796.18/86,827.64
  6. Step 6: Final answer
    x = 70,359.74

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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.