Home / 86,002.97-128,953.52-26,013.26

Finding the Fourth Proportional to 86,002.97, 128,953.52 and 26,013.26

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Solution

The fourth proportional to 86,002.97, 128,953.52 and 26,013.26 is: 39,004.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,002.97 : 128,953.52 = 26,013.26 : x
  2. Step 2: Convert to fraction form
    86,002.97/128,953.52 = 26,013.26/x
  3. Step 3: Cross multiply
    86,002.97x = 128,953.52 × 26,013.26
  4. Step 4: Simplify right side
    86,002.97x = 3,354,501,347.52
  5. Step 5: Solve for x
    x = 3,354,501,347.52/86,002.97
  6. Step 6: Final answer
    x = 39,004.48

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1.5x scale

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.