Home / 98,713.63-136,224.67-55,693.07

Finding the Fourth Proportional to 98,713.63, 136,224.67 and 55,693.07

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Solution

The fourth proportional to 98,713.63, 136,224.67 and 55,693.07 is: 76,856.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,713.63 : 136,224.67 = 55,693.07 : x
  2. Step 2: Convert to fraction form
    98,713.63/136,224.67 = 55,693.07/x
  3. Step 3: Cross multiply
    98,713.63x = 136,224.67 × 55,693.07
  4. Step 4: Simplify right side
    98,713.63x = 7,586,769,122.45
  5. Step 5: Solve for x
    x = 7,586,769,122.45/98,713.63
  6. Step 6: Final answer
    x = 76,856.35

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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.