Home / 72,053.10-99,429.14-40,224.02

Finding the Fourth Proportional to 72,053.10, 99,429.14 and 40,224.02

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Solution

The fourth proportional to 72,053.10, 99,429.14 and 40,224.02 is: 55,506.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,053.10 : 99,429.14 = 40,224.02 : x
  2. Step 2: Convert to fraction form
    72,053.10/99,429.14 = 40,224.02/x
  3. Step 3: Cross multiply
    72,053.10x = 99,429.14 × 40,224.02
  4. Step 4: Simplify right side
    72,053.10x = 3,999,439,319.36
  5. Step 5: Solve for x
    x = 3,999,439,319.36/72,053.10
  6. Step 6: Final answer
    x = 55,506.83

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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.