Home / 97,281.72-145,871.87-45,936.77

Finding the Fourth Proportional to 97,281.72, 145,871.87 and 45,936.77

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Solution

The fourth proportional to 97,281.72, 145,871.87 and 45,936.77 is: 68,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,281.72 : 145,871.87 = 45,936.77 : x
  2. Step 2: Convert to fraction form
    97,281.72/145,871.87 = 45,936.77/x
  3. Step 3: Cross multiply
    97,281.72x = 145,871.87 × 45,936.77
  4. Step 4: Simplify right side
    97,281.72x = 6,700,881,582.62
  5. Step 5: Solve for x
    x = 6,700,881,582.62/97,281.72
  6. Step 6: Final answer
    x = 68,881.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.