Home / 98,035.79-135,289.38-55,594.32

Finding the Fourth Proportional to 98,035.79, 135,289.38 and 55,594.32

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Solution

The fourth proportional to 98,035.79, 135,289.38 and 55,594.32 is: 76,720.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,035.79 : 135,289.38 = 55,594.32 : x
  2. Step 2: Convert to fraction form
    98,035.79/135,289.38 = 55,594.32/x
  3. Step 3: Cross multiply
    98,035.79x = 135,289.38 × 55,594.32
  4. Step 4: Simplify right side
    98,035.79x = 7,521,321,084.32
  5. Step 5: Solve for x
    x = 7,521,321,084.32/98,035.79
  6. Step 6: Final answer
    x = 76,720.16

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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.