Home / 86,341.59-129,479.58-41,316.73

Finding the Fourth Proportional to 86,341.59, 129,479.58 and 41,316.73

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Solution

The fourth proportional to 86,341.59, 129,479.58 and 41,316.73 is: 61,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,341.59 : 129,479.58 = 41,316.73 : x
  2. Step 2: Convert to fraction form
    86,341.59/129,479.58 = 41,316.73/x
  3. Step 3: Cross multiply
    86,341.59x = 129,479.58 × 41,316.73
  4. Step 4: Simplify right side
    86,341.59x = 5,349,672,847.37
  5. Step 5: Solve for x
    x = 5,349,672,847.37/86,341.59
  6. Step 6: Final answer
    x = 61,959.40

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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.