Home / 98,727.35-136,242.89-55,707.16

Finding the Fourth Proportional to 98,727.35, 136,242.89 and 55,707.16

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Solution

The fourth proportional to 98,727.35, 136,242.89 and 55,707.16 is: 76,875.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,727.35 : 136,242.89 = 55,707.16 : x
  2. Step 2: Convert to fraction form
    98,727.35/136,242.89 = 55,707.16/x
  3. Step 3: Cross multiply
    98,727.35x = 136,242.89 × 55,707.16
  4. Step 4: Simplify right side
    98,727.35x = 7,589,703,852.95
  5. Step 5: Solve for x
    x = 7,589,703,852.95/98,727.35
  6. Step 6: Final answer
    x = 76,875.40

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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.