Home / 72,458.19-99,991.04-40,626.99

Finding the Fourth Proportional to 72,458.19, 99,991.04 and 40,626.99

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Solution

The fourth proportional to 72,458.19, 99,991.04 and 40,626.99 is: 56,064.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,458.19 : 99,991.04 = 40,626.99 : x
  2. Step 2: Convert to fraction form
    72,458.19/99,991.04 = 40,626.99/x
  3. Step 3: Cross multiply
    72,458.19x = 99,991.04 × 40,626.99
  4. Step 4: Simplify right side
    72,458.19x = 4,062,334,779.03
  5. Step 5: Solve for x
    x = 4,062,334,779.03/72,458.19
  6. Step 6: Final answer
    x = 56,064.54

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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.