Home / 113,390.48-170,190.81-57,270

Finding the Fourth Proportional to 113,390.48, 170,190.81 and 57,270

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Solution

The fourth proportional to 113,390.48, 170,190.81 and 57,270 is: 85,958.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,390.48 : 170,190.81 = 57,270 : x
  2. Step 2: Convert to fraction form
    113,390.48/170,190.81 = 57,270/x
  3. Step 3: Cross multiply
    113,390.48x = 170,190.81 × 57,270
  4. Step 4: Simplify right side
    113,390.48x = 9,746,827,688.70
  5. Step 5: Solve for x
    x = 9,746,827,688.70/113,390.48
  6. Step 6: Final answer
    x = 85,958.08

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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.