Home / 126,477.02-174,531.43-69,884.75

Finding the Fourth Proportional to 126,477.02, 174,531.43 and 69,884.75

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Solution

The fourth proportional to 126,477.02, 174,531.43 and 69,884.75 is: 96,437.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,477.02 : 174,531.43 = 69,884.75 : x
  2. Step 2: Convert to fraction form
    126,477.02/174,531.43 = 69,884.75/x
  3. Step 3: Cross multiply
    126,477.02x = 174,531.43 × 69,884.75
  4. Step 4: Simplify right side
    126,477.02x = 12,197,085,352.69
  5. Step 5: Solve for x
    x = 12,197,085,352.69/126,477.02
  6. Step 6: Final answer
    x = 96,437.17

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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.