Home / 86,342.48-129,461.88-58,556.24

Finding the Fourth Proportional to 86,342.48, 129,461.88 and 58,556.24

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Solution

The fourth proportional to 86,342.48, 129,461.88 and 58,556.24 is: 87,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,342.48 : 129,461.88 = 58,556.24 : x
  2. Step 2: Convert to fraction form
    86,342.48/129,461.88 = 58,556.24/x
  3. Step 3: Cross multiply
    86,342.48x = 129,461.88 × 58,556.24
  4. Step 4: Simplify right side
    86,342.48x = 7,580,800,916.13
  5. Step 5: Solve for x
    x = 7,580,800,916.13/86,342.48
  6. Step 6: Final answer
    x = 87,799.20

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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.