Home / 85,526.55-128,184.73-48,007.96

Finding the Fourth Proportional to 85,526.55, 128,184.73 and 48,007.96

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Solution

The fourth proportional to 85,526.55, 128,184.73 and 48,007.96 is: 71,952.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,526.55 : 128,184.73 = 48,007.96 : x
  2. Step 2: Convert to fraction form
    85,526.55/128,184.73 = 48,007.96/x
  3. Step 3: Cross multiply
    85,526.55x = 128,184.73 × 48,007.96
  4. Step 4: Simplify right side
    85,526.55x = 6,153,886,949.97
  5. Step 5: Solve for x
    x = 6,153,886,949.97/85,526.55
  6. Step 6: Final answer
    x = 71,952.94

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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.