Home / 86,505.84-119,308.95-59,642.19

Finding the Fourth Proportional to 86,505.84, 119,308.95 and 59,642.19

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Solution

The fourth proportional to 86,505.84, 119,308.95 and 59,642.19 is: 82,258.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,505.84 : 119,308.95 = 59,642.19 : x
  2. Step 2: Convert to fraction form
    86,505.84/119,308.95 = 59,642.19/x
  3. Step 3: Cross multiply
    86,505.84x = 119,308.95 × 59,642.19
  4. Step 4: Simplify right side
    86,505.84x = 7,115,847,064.60
  5. Step 5: Solve for x
    x = 7,115,847,064.60/86,505.84
  6. Step 6: Final answer
    x = 82,258.57

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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.