Home / 72,972.48-100,699.74-41,140.92

Finding the Fourth Proportional to 72,972.48, 100,699.74 and 41,140.92

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Solution

The fourth proportional to 72,972.48, 100,699.74 and 41,140.92 is: 56,773.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,972.48 : 100,699.74 = 41,140.92 : x
  2. Step 2: Convert to fraction form
    72,972.48/100,699.74 = 41,140.92/x
  3. Step 3: Cross multiply
    72,972.48x = 100,699.74 × 41,140.92
  4. Step 4: Simplify right side
    72,972.48x = 4,142,879,947.36
  5. Step 5: Solve for x
    x = 4,142,879,947.36/72,972.48
  6. Step 6: Final answer
    x = 56,773.18

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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.