Home / 71,885.02-99,202.98-40,055.86

Finding the Fourth Proportional to 71,885.02, 99,202.98 and 40,055.86

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Solution

The fourth proportional to 71,885.02, 99,202.98 and 40,055.86 is: 55,278.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,885.02 : 99,202.98 = 40,055.86 : x
  2. Step 2: Convert to fraction form
    71,885.02/99,202.98 = 40,055.86/x
  3. Step 3: Cross multiply
    71,885.02x = 99,202.98 × 40,055.86
  4. Step 4: Simplify right side
    71,885.02x = 3,973,660,678.46
  5. Step 5: Solve for x
    x = 3,973,660,678.46/71,885.02
  6. Step 6: Final answer
    x = 55,278.01

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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.