Home / 86,899.48-119,931.37-52,927.90

Finding the Fourth Proportional to 86,899.48, 119,931.37 and 52,927.90

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Solution

The fourth proportional to 86,899.48, 119,931.37 and 52,927.90 is: 73,046.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,899.48 : 119,931.37 = 52,927.90 : x
  2. Step 2: Convert to fraction form
    86,899.48/119,931.37 = 52,927.90/x
  3. Step 3: Cross multiply
    86,899.48x = 119,931.37 × 52,927.90
  4. Step 4: Simplify right side
    86,899.48x = 6,347,715,126.07
  5. Step 5: Solve for x
    x = 6,347,715,126.07/86,899.48
  6. Step 6: Final answer
    x = 73,046.64

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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.