Home / 90,064.19-135,023.38-37,513.01

Finding the Fourth Proportional to 90,064.19, 135,023.38 and 37,513.01

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Solution

The fourth proportional to 90,064.19, 135,023.38 and 37,513.01 is: 56,239.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,064.19 : 135,023.38 = 37,513.01 : x
  2. Step 2: Convert to fraction form
    90,064.19/135,023.38 = 37,513.01/x
  3. Step 3: Cross multiply
    90,064.19x = 135,023.38 × 37,513.01
  4. Step 4: Simplify right side
    90,064.19x = 5,065,133,647.95
  5. Step 5: Solve for x
    x = 5,065,133,647.95/90,064.19
  6. Step 6: Final answer
    x = 56,239.15

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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.