Home / 113,421.30-170,237.02-57,300.94

Finding the Fourth Proportional to 113,421.30, 170,237.02 and 57,300.94

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Solution

The fourth proportional to 113,421.30, 170,237.02 and 57,300.94 is: 86,004.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,421.30 : 170,237.02 = 57,300.94 : x
  2. Step 2: Convert to fraction form
    113,421.30/170,237.02 = 57,300.94/x
  3. Step 3: Cross multiply
    113,421.30x = 170,237.02 × 57,300.94
  4. Step 4: Simplify right side
    113,421.30x = 9,754,741,268.80
  5. Step 5: Solve for x
    x = 9,754,741,268.80/113,421.30
  6. Step 6: Final answer
    x = 86,004.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.