Home / 72,014.36-99,380.98-39,750.52

Finding the Fourth Proportional to 72,014.36, 99,380.98 and 39,750.52

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Solution

The fourth proportional to 72,014.36, 99,380.98 and 39,750.52 is: 54,856.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,014.36 : 99,380.98 = 39,750.52 : x
  2. Step 2: Convert to fraction form
    72,014.36/99,380.98 = 39,750.52/x
  3. Step 3: Cross multiply
    72,014.36x = 99,380.98 × 39,750.52
  4. Step 4: Simplify right side
    72,014.36x = 3,950,445,633.11
  5. Step 5: Solve for x
    x = 3,950,445,633.11/72,014.36
  6. Step 6: Final answer
    x = 54,856.36

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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.