Home / 86,726.40-130,026.54-58,576.68

Finding the Fourth Proportional to 86,726.40, 130,026.54 and 58,576.68

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Solution

The fourth proportional to 86,726.40, 130,026.54 and 58,576.68 is: 87,822.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,726.40 : 130,026.54 = 58,576.68 : x
  2. Step 2: Convert to fraction form
    86,726.40/130,026.54 = 58,576.68/x
  3. Step 3: Cross multiply
    86,726.40x = 130,026.54 × 58,576.68
  4. Step 4: Simplify right side
    86,726.40x = 7,616,523,025.09
  5. Step 5: Solve for x
    x = 7,616,523,025.09/86,726.40
  6. Step 6: Final answer
    x = 87,822.43

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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.