Home / 104,287.79-143,902.08-58,347.15

Finding the Fourth Proportional to 104,287.79, 143,902.08 and 58,347.15

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Solution

The fourth proportional to 104,287.79, 143,902.08 and 58,347.15 is: 80,510.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,287.79 : 143,902.08 = 58,347.15 : x
  2. Step 2: Convert to fraction form
    104,287.79/143,902.08 = 58,347.15/x
  3. Step 3: Cross multiply
    104,287.79x = 143,902.08 × 58,347.15
  4. Step 4: Simplify right side
    104,287.79x = 8,396,276,247.07
  5. Step 5: Solve for x
    x = 8,396,276,247.07/104,287.79
  6. Step 6: Final answer
    x = 80,510.64

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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.