Home / 126,543.58-174,621.36-69,950.50

Finding the Fourth Proportional to 126,543.58, 174,621.36 and 69,950.50

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Solution

The fourth proportional to 126,543.58, 174,621.36 and 69,950.50 is: 96,526.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,543.58 : 174,621.36 = 69,950.50 : x
  2. Step 2: Convert to fraction form
    126,543.58/174,621.36 = 69,950.50/x
  3. Step 3: Cross multiply
    126,543.58x = 174,621.36 × 69,950.50
  4. Step 4: Simplify right side
    126,543.58x = 12,214,851,442.68
  5. Step 5: Solve for x
    x = 12,214,851,442.68/126,543.58
  6. Step 6: Final answer
    x = 96,526.84

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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.