Home / 85,293.12-117,558.90-58,388.16

Finding the Fourth Proportional to 85,293.12, 117,558.90 and 58,388.16

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Solution

The fourth proportional to 85,293.12, 117,558.90 and 58,388.16 is: 80,475.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,293.12 : 117,558.90 = 58,388.16 : x
  2. Step 2: Convert to fraction form
    85,293.12/117,558.90 = 58,388.16/x
  3. Step 3: Cross multiply
    85,293.12x = 117,558.90 × 58,388.16
  4. Step 4: Simplify right side
    85,293.12x = 6,864,047,862.62
  5. Step 5: Solve for x
    x = 6,864,047,862.62/85,293.12
  6. Step 6: Final answer
    x = 80,475.99

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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.