Home / 121,004.83-166,962.20-70,694.11

Finding the Fourth Proportional to 121,004.83, 166,962.20 and 70,694.11

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Solution

The fourth proportional to 121,004.83, 166,962.20 and 70,694.11 is: 97,543.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,004.83 : 166,962.20 = 70,694.11 : x
  2. Step 2: Convert to fraction form
    121,004.83/166,962.20 = 70,694.11/x
  3. Step 3: Cross multiply
    121,004.83x = 166,962.20 × 70,694.11
  4. Step 4: Simplify right side
    121,004.83x = 11,803,243,779.17
  5. Step 5: Solve for x
    x = 11,803,243,779.17/121,004.83
  6. Step 6: Final answer
    x = 97,543.58

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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.