Home / 113,931.75-157,223.66-62,945.09

Finding the Fourth Proportional to 113,931.75, 157,223.66 and 62,945.09

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Solution

The fourth proportional to 113,931.75, 157,223.66 and 62,945.09 is: 86,863.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,931.75 : 157,223.66 = 62,945.09 : x
  2. Step 2: Convert to fraction form
    113,931.75/157,223.66 = 62,945.09/x
  3. Step 3: Cross multiply
    113,931.75x = 157,223.66 × 62,945.09
  4. Step 4: Simplify right side
    113,931.75x = 9,896,457,428.83
  5. Step 5: Solve for x
    x = 9,896,457,428.83/113,931.75
  6. Step 6: Final answer
    x = 86,863.03

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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.