Home / 85,077.24-117,407.48-46,840.64

Finding the Fourth Proportional to 85,077.24, 117,407.48 and 46,840.64

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Solution

The fourth proportional to 85,077.24, 117,407.48 and 46,840.64 is: 64,640.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,077.24 : 117,407.48 = 46,840.64 : x
  2. Step 2: Convert to fraction form
    85,077.24/117,407.48 = 46,840.64/x
  3. Step 3: Cross multiply
    85,077.24x = 117,407.48 × 46,840.64
  4. Step 4: Simplify right side
    85,077.24x = 5,499,441,503.99
  5. Step 5: Solve for x
    x = 5,499,441,503.99/85,077.24
  6. Step 6: Final answer
    x = 64,640.57

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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.