Home / 85,038.88-117,357.20-47,313.44

Finding the Fourth Proportional to 85,038.88, 117,357.20 and 47,313.44

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Solution

The fourth proportional to 85,038.88, 117,357.20 and 47,313.44 is: 65,294.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,038.88 : 117,357.20 = 47,313.44 : x
  2. Step 2: Convert to fraction form
    85,038.88/117,357.20 = 47,313.44/x
  3. Step 3: Cross multiply
    85,038.88x = 117,357.20 × 47,313.44
  4. Step 4: Simplify right side
    85,038.88x = 5,552,572,840.77
  5. Step 5: Solve for x
    x = 5,552,572,840.77/85,038.88
  6. Step 6: Final answer
    x = 65,294.52

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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.