Home / 106,042.02-158,931.72-53,422.80

Finding the Fourth Proportional to 106,042.02, 158,931.72 and 53,422.80

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Solution

The fourth proportional to 106,042.02, 158,931.72 and 53,422.80 is: 80,068.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,042.02 : 158,931.72 = 53,422.80 : x
  2. Step 2: Convert to fraction form
    106,042.02/158,931.72 = 53,422.80/x
  3. Step 3: Cross multiply
    106,042.02x = 158,931.72 × 53,422.80
  4. Step 4: Simplify right side
    106,042.02x = 8,490,577,491.22
  5. Step 5: Solve for x
    x = 8,490,577,491.22/106,042.02
  6. Step 6: Final answer
    x = 80,068.05

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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.