Home / 113,776.84-157,011.78-66,058.12

Finding the Fourth Proportional to 113,776.84, 157,011.78 and 66,058.12

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Solution

The fourth proportional to 113,776.84, 157,011.78 and 66,058.12 is: 91,160.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,776.84 : 157,011.78 = 66,058.12 : x
  2. Step 2: Convert to fraction form
    113,776.84/157,011.78 = 66,058.12/x
  3. Step 3: Cross multiply
    113,776.84x = 157,011.78 × 66,058.12
  4. Step 4: Simplify right side
    113,776.84x = 10,371,903,004.65
  5. Step 5: Solve for x
    x = 10,371,903,004.65/113,776.84
  6. Step 6: Final answer
    x = 91,160.06

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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.