Home / 86,913.74-119,941.01-47,169.74

Finding the Fourth Proportional to 86,913.74, 119,941.01 and 47,169.74

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Solution

The fourth proportional to 86,913.74, 119,941.01 and 47,169.74 is: 65,094.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,913.74 : 119,941.01 = 47,169.74 : x
  2. Step 2: Convert to fraction form
    86,913.74/119,941.01 = 47,169.74/x
  3. Step 3: Cross multiply
    86,913.74x = 119,941.01 × 47,169.74
  4. Step 4: Simplify right side
    86,913.74x = 5,657,586,257.04
  5. Step 5: Solve for x
    x = 5,657,586,257.04/86,913.74
  6. Step 6: Final answer
    x = 65,094.27

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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.