Home / 86,035.76-129,031.08-38,624.33

Finding the Fourth Proportional to 86,035.76, 129,031.08 and 38,624.33

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Solution

The fourth proportional to 86,035.76, 129,031.08 and 38,624.33 is: 57,926.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,035.76 : 129,031.08 = 38,624.33 : x
  2. Step 2: Convert to fraction form
    86,035.76/129,031.08 = 38,624.33/x
  3. Step 3: Cross multiply
    86,035.76x = 129,031.08 × 38,624.33
  4. Step 4: Simplify right side
    86,035.76x = 4,983,739,014.18
  5. Step 5: Solve for x
    x = 4,983,739,014.18/86,035.76
  6. Step 6: Final answer
    x = 57,926.37

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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.