Home / 72,497.02-100,045.74-40,236.58

Finding the Fourth Proportional to 72,497.02, 100,045.74 and 40,236.58

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Solution

The fourth proportional to 72,497.02, 100,045.74 and 40,236.58 is: 55,526.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,497.02 : 100,045.74 = 40,236.58 : x
  2. Step 2: Convert to fraction form
    72,497.02/100,045.74 = 40,236.58/x
  3. Step 3: Cross multiply
    72,497.02x = 100,045.74 × 40,236.58
  4. Step 4: Simplify right side
    72,497.02x = 4,025,498,421.17
  5. Step 5: Solve for x
    x = 4,025,498,421.17/72,497.02
  6. Step 6: Final answer
    x = 55,526.40

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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.