Home / 86,027.63-129,041.46-26,868.38

Finding the Fourth Proportional to 86,027.63, 129,041.46 and 26,868.38

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Solution

The fourth proportional to 86,027.63, 129,041.46 and 26,868.38 is: 40,302.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,027.63 : 129,041.46 = 26,868.38 : x
  2. Step 2: Convert to fraction form
    86,027.63/129,041.46 = 26,868.38/x
  3. Step 3: Cross multiply
    86,027.63x = 129,041.46 × 26,868.38
  4. Step 4: Simplify right side
    86,027.63x = 3,467,134,337.83
  5. Step 5: Solve for x
    x = 3,467,134,337.83/86,027.63
  6. Step 6: Final answer
    x = 40,302.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.