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Finding the Fourth Proportional to 65,285.75, 90,094.91 and 35,477.75

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Solution

The fourth proportional to 65,285.75, 90,094.91 and 35,477.75 is: 48,959.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,285.75 : 90,094.91 = 35,477.75 : x
  2. Step 2: Convert to fraction form
    65,285.75/90,094.91 = 35,477.75/x
  3. Step 3: Cross multiply
    65,285.75x = 90,094.91 × 35,477.75
  4. Step 4: Simplify right side
    65,285.75x = 3,196,364,693.25
  5. Step 5: Solve for x
    x = 3,196,364,693.25/65,285.75
  6. Step 6: Final answer
    x = 48,959.61

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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.