Home / 86,818.65-119,774.46-56,593.36

Finding the Fourth Proportional to 86,818.65, 119,774.46 and 56,593.36

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Solution

The fourth proportional to 86,818.65, 119,774.46 and 56,593.36 is: 78,075.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,818.65 : 119,774.46 = 56,593.36 : x
  2. Step 2: Convert to fraction form
    86,818.65/119,774.46 = 56,593.36/x
  3. Step 3: Cross multiply
    86,818.65x = 119,774.46 × 56,593.36
  4. Step 4: Simplify right side
    86,818.65x = 6,778,439,133.59
  5. Step 5: Solve for x
    x = 6,778,439,133.59/86,818.65
  6. Step 6: Final answer
    x = 78,075.84

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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.