Home / 90,507.24-135,782.80-27,323.59

Finding the Fourth Proportional to 90,507.24, 135,782.80 and 27,323.59

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Solution

The fourth proportional to 90,507.24, 135,782.80 and 27,323.59 is: 40,992.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,507.24 : 135,782.80 = 27,323.59 : x
  2. Step 2: Convert to fraction form
    90,507.24/135,782.80 = 27,323.59/x
  3. Step 3: Cross multiply
    90,507.24x = 135,782.80 × 27,323.59
  4. Step 4: Simplify right side
    90,507.24x = 3,710,072,877.34
  5. Step 5: Solve for x
    x = 3,710,072,877.34/90,507.24
  6. Step 6: Final answer
    x = 40,992.00

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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.