Home / 113,990.48-170,988.64-54,004.91

Finding the Fourth Proportional to 113,990.48, 170,988.64 and 54,004.91

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Solution

The fourth proportional to 113,990.48, 170,988.64 and 54,004.91 is: 81,008.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,990.48 : 170,988.64 = 54,004.91 : x
  2. Step 2: Convert to fraction form
    113,990.48/170,988.64 = 54,004.91/x
  3. Step 3: Cross multiply
    113,990.48x = 170,988.64 × 54,004.91
  4. Step 4: Simplify right side
    113,990.48x = 9,234,225,124.27
  5. Step 5: Solve for x
    x = 9,234,225,124.27/113,990.48
  6. Step 6: Final answer
    x = 81,008.74

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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.