Home / 86,148.36-129,180.42-35,537.96

Finding the Fourth Proportional to 86,148.36, 129,180.42 and 35,537.96

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Solution

The fourth proportional to 86,148.36, 129,180.42 and 35,537.96 is: 53,289.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,148.36 : 129,180.42 = 35,537.96 : x
  2. Step 2: Convert to fraction form
    86,148.36/129,180.42 = 35,537.96/x
  3. Step 3: Cross multiply
    86,148.36x = 129,180.42 × 35,537.96
  4. Step 4: Simplify right side
    86,148.36x = 4,590,808,598.74
  5. Step 5: Solve for x
    x = 4,590,808,598.74/86,148.36
  6. Step 6: Final answer
    x = 53,289.56

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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.