Home / 67,489.02-93,133.80-37,274.40

Finding the Fourth Proportional to 67,489.02, 93,133.80 and 37,274.40

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Solution

The fourth proportional to 67,489.02, 93,133.80 and 37,274.40 is: 51,438.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,489.02 : 93,133.80 = 37,274.40 : x
  2. Step 2: Convert to fraction form
    67,489.02/93,133.80 = 37,274.40/x
  3. Step 3: Cross multiply
    67,489.02x = 93,133.80 × 37,274.40
  4. Step 4: Simplify right side
    67,489.02x = 3,471,506,514.72
  5. Step 5: Solve for x
    x = 3,471,506,514.72/67,489.02
  6. Step 6: Final answer
    x = 51,438.09

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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.