Home / 85,697.02-118,256.16-49,881.34

Finding the Fourth Proportional to 85,697.02, 118,256.16 and 49,881.34

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Solution

The fourth proportional to 85,697.02, 118,256.16 and 49,881.34 is: 68,832.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,697.02 : 118,256.16 = 49,881.34 : x
  2. Step 2: Convert to fraction form
    85,697.02/118,256.16 = 49,881.34/x
  3. Step 3: Cross multiply
    85,697.02x = 118,256.16 × 49,881.34
  4. Step 4: Simplify right side
    85,697.02x = 5,898,775,724.05
  5. Step 5: Solve for x
    x = 5,898,775,724.05/85,697.02
  6. Step 6: Final answer
    x = 68,832.92

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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.