Home / 94,606.07-130,420.71-74,427.91

Finding the Fourth Proportional to 94,606.07, 130,420.71 and 74,427.91

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Solution

The fourth proportional to 94,606.07, 130,420.71 and 74,427.91 is: 102,603.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,606.07 : 130,420.71 = 74,427.91 : x
  2. Step 2: Convert to fraction form
    94,606.07/130,420.71 = 74,427.91/x
  3. Step 3: Cross multiply
    94,606.07x = 130,420.71 × 74,427.91
  4. Step 4: Simplify right side
    94,606.07x = 9,706,940,539.96
  5. Step 5: Solve for x
    x = 9,706,940,539.96/94,606.07
  6. Step 6: Final answer
    x = 102,603.79

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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.