Home / 67,485.11-93,130.15-37,271.20

Finding the Fourth Proportional to 67,485.11, 93,130.15 and 37,271.20

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Solution

The fourth proportional to 67,485.11, 93,130.15 and 37,271.20 is: 51,434.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,485.11 : 93,130.15 = 37,271.20 : x
  2. Step 2: Convert to fraction form
    67,485.11/93,130.15 = 37,271.20/x
  3. Step 3: Cross multiply
    67,485.11x = 93,130.15 × 37,271.20
  4. Step 4: Simplify right side
    67,485.11x = 3,471,072,446.68
  5. Step 5: Solve for x
    x = 3,471,072,446.68/67,485.11
  6. Step 6: Final answer
    x = 51,434.64

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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.