Home / 113,769.99-157,001.51-62,783.19

Finding the Fourth Proportional to 113,769.99, 157,001.51 and 62,783.19

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Solution

The fourth proportional to 113,769.99, 157,001.51 and 62,783.19 is: 86,640.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,769.99 : 157,001.51 = 62,783.19 : x
  2. Step 2: Convert to fraction form
    113,769.99/157,001.51 = 62,783.19/x
  3. Step 3: Cross multiply
    113,769.99x = 157,001.51 × 62,783.19
  4. Step 4: Simplify right side
    113,769.99x = 9,857,055,318.70
  5. Step 5: Solve for x
    x = 9,857,055,318.70/113,769.99
  6. Step 6: Final answer
    x = 86,640.21

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1.5x scale

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.