Home / 85,863.78-118,496.04-53,617.48

Finding the Fourth Proportional to 85,863.78, 118,496.04 and 53,617.48

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Solution

The fourth proportional to 85,863.78, 118,496.04 and 53,617.48 is: 73,994.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,863.78 : 118,496.04 = 53,617.48 : x
  2. Step 2: Convert to fraction form
    85,863.78/118,496.04 = 53,617.48/x
  3. Step 3: Cross multiply
    85,863.78x = 118,496.04 × 53,617.48
  4. Step 4: Simplify right side
    85,863.78x = 6,353,459,054.78
  5. Step 5: Solve for x
    x = 6,353,459,054.78/85,863.78
  6. Step 6: Final answer
    x = 73,994.63

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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.