Home / 85,374.02-117,856.01-49,557.14

Finding the Fourth Proportional to 85,374.02, 117,856.01 and 49,557.14

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Solution

The fourth proportional to 85,374.02, 117,856.01 and 49,557.14 is: 68,411.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,374.02 : 117,856.01 = 49,557.14 : x
  2. Step 2: Convert to fraction form
    85,374.02/117,856.01 = 49,557.14/x
  3. Step 3: Cross multiply
    85,374.02x = 117,856.01 × 49,557.14
  4. Step 4: Simplify right side
    85,374.02x = 5,840,605,950.35
  5. Step 5: Solve for x
    x = 5,840,605,950.35/85,374.02
  6. Step 6: Final answer
    x = 68,411.99

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1.5x scale

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.