Home / 72,053.66-99,429.93-40,224.58

Finding the Fourth Proportional to 72,053.66, 99,429.93 and 40,224.58

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Solution

The fourth proportional to 72,053.66, 99,429.93 and 40,224.58 is: 55,507.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,053.66 : 99,429.93 = 40,224.58 : x
  2. Step 2: Convert to fraction form
    72,053.66/99,429.93 = 40,224.58/x
  3. Step 3: Cross multiply
    72,053.66x = 99,429.93 × 40,224.58
  4. Step 4: Simplify right side
    72,053.66x = 3,999,526,925.10
  5. Step 5: Solve for x
    x = 3,999,526,925.10/72,053.66
  6. Step 6: Final answer
    x = 55,507.61

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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.