Home / 86,817.65-119,773.08-56,592.36

Finding the Fourth Proportional to 86,817.65, 119,773.08 and 56,592.36

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Solution

The fourth proportional to 86,817.65, 119,773.08 and 56,592.36 is: 78,074.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,817.65 : 119,773.08 = 56,592.36 : x
  2. Step 2: Convert to fraction form
    86,817.65/119,773.08 = 56,592.36/x
  3. Step 3: Cross multiply
    86,817.65x = 119,773.08 × 56,592.36
  4. Step 4: Simplify right side
    86,817.65x = 6,778,241,261.67
  5. Step 5: Solve for x
    x = 6,778,241,261.67/86,817.65
  6. Step 6: Final answer
    x = 78,074.47

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1.5x scale

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.