Home / 43,138.06-59,533.23-26,143.78

Finding the Fourth Proportional to 43,138.06, 59,533.23 and 26,143.78

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Solution

The fourth proportional to 43,138.06, 59,533.23 and 26,143.78 is: 36,080.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,138.06 : 59,533.23 = 26,143.78 : x
  2. Step 2: Convert to fraction form
    43,138.06/59,533.23 = 26,143.78/x
  3. Step 3: Cross multiply
    43,138.06x = 59,533.23 × 26,143.78
  4. Step 4: Simplify right side
    43,138.06x = 1,556,423,667.81
  5. Step 5: Solve for x
    x = 1,556,423,667.81/43,138.06
  6. Step 6: Final answer
    x = 36,080.06

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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.