Home / 72,262.02-99,726.48-40,433.88

Finding the Fourth Proportional to 72,262.02, 99,726.48 and 40,433.88

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Solution

The fourth proportional to 72,262.02, 99,726.48 and 40,433.88 is: 55,801.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,262.02 : 99,726.48 = 40,433.88 : x
  2. Step 2: Convert to fraction form
    72,262.02/99,726.48 = 40,433.88/x
  3. Step 3: Cross multiply
    72,262.02x = 99,726.48 × 40,433.88
  4. Step 4: Simplify right side
    72,262.02x = 4,032,328,525.14
  5. Step 5: Solve for x
    x = 4,032,328,525.14/72,262.02
  6. Step 6: Final answer
    x = 55,801.49

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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.