Home / 77,564.67-106,955.48-70,774.04

Finding the Fourth Proportional to 77,564.67, 106,955.48 and 70,774.04

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Solution

The fourth proportional to 77,564.67, 106,955.48 and 70,774.04 is: 97,591.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,564.67 : 106,955.48 = 70,774.04 : x
  2. Step 2: Convert to fraction form
    77,564.67/106,955.48 = 70,774.04/x
  3. Step 3: Cross multiply
    77,564.67x = 106,955.48 × 70,774.04
  4. Step 4: Simplify right side
    77,564.67x = 7,569,670,531.09
  5. Step 5: Solve for x
    x = 7,569,670,531.09/77,564.67
  6. Step 6: Final answer
    x = 97,591.73

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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.