Home / 85,348.08-128,007.54-23,004

Finding the Fourth Proportional to 85,348.08, 128,007.54 and 23,004

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Solution

The fourth proportional to 85,348.08, 128,007.54 and 23,004 is: 34,502.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,348.08 : 128,007.54 = 23,004 : x
  2. Step 2: Convert to fraction form
    85,348.08/128,007.54 = 23,004/x
  3. Step 3: Cross multiply
    85,348.08x = 128,007.54 × 23,004
  4. Step 4: Simplify right side
    85,348.08x = 2,944,685,450.16
  5. Step 5: Solve for x
    x = 2,944,685,450.16/85,348.08
  6. Step 6: Final answer
    x = 34,502.07

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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.