Home / 98,030.26-135,173.71-67,763.04

Finding the Fourth Proportional to 98,030.26, 135,173.71 and 67,763.04

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Solution

The fourth proportional to 98,030.26, 135,173.71 and 67,763.04 is: 93,438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,030.26 : 135,173.71 = 67,763.04 : x
  2. Step 2: Convert to fraction form
    98,030.26/135,173.71 = 67,763.04/x
  3. Step 3: Cross multiply
    98,030.26x = 135,173.71 × 67,763.04
  4. Step 4: Simplify right side
    98,030.26x = 9,159,780,967.76
  5. Step 5: Solve for x
    x = 9,159,780,967.76/98,030.26
  6. Step 6: Final answer
    x = 93,438.30

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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.