Home / 81,386.64-112,197.96-59,838.35

Finding the Fourth Proportional to 81,386.64, 112,197.96 and 59,838.35

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Solution

The fourth proportional to 81,386.64, 112,197.96 and 59,838.35 is: 82,491.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,386.64 : 112,197.96 = 59,838.35 : x
  2. Step 2: Convert to fraction form
    81,386.64/112,197.96 = 59,838.35/x
  3. Step 3: Cross multiply
    81,386.64x = 112,197.96 × 59,838.35
  4. Step 4: Simplify right side
    81,386.64x = 6,713,740,238.78
  5. Step 5: Solve for x
    x = 6,713,740,238.78/81,386.64
  6. Step 6: Final answer
    x = 82,491.92

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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.