Home / 86,915.80-119,933.89-48,670.03

Finding the Fourth Proportional to 86,915.80, 119,933.89 and 48,670.03

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Solution

The fourth proportional to 86,915.80, 119,933.89 and 48,670.03 is: 67,159.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,915.80 : 119,933.89 = 48,670.03 : x
  2. Step 2: Convert to fraction form
    86,915.80/119,933.89 = 48,670.03/x
  3. Step 3: Cross multiply
    86,915.80x = 119,933.89 × 48,670.03
  4. Step 4: Simplify right side
    86,915.80x = 5,837,186,024.32
  5. Step 5: Solve for x
    x = 5,837,186,024.32/86,915.80
  6. Step 6: Final answer
    x = 67,159.09

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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.