Home / 85,758.88-118,356.02-49,461.74

Finding the Fourth Proportional to 85,758.88, 118,356.02 and 49,461.74

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Solution

The fourth proportional to 85,758.88, 118,356.02 and 49,461.74 is: 68,262.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,758.88 : 118,356.02 = 49,461.74 : x
  2. Step 2: Convert to fraction form
    85,758.88/118,356.02 = 49,461.74/x
  3. Step 3: Cross multiply
    85,758.88x = 118,356.02 × 49,461.74
  4. Step 4: Simplify right side
    85,758.88x = 5,854,094,688.67
  5. Step 5: Solve for x
    x = 5,854,094,688.67/85,758.88
  6. Step 6: Final answer
    x = 68,262.26

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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.