Home / 86,526.18-129,733.47-33,940.98

Finding the Fourth Proportional to 86,526.18, 129,733.47 and 33,940.98

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Solution

The fourth proportional to 86,526.18, 129,733.47 and 33,940.98 is: 50,889.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,526.18 : 129,733.47 = 33,940.98 : x
  2. Step 2: Convert to fraction form
    86,526.18/129,733.47 = 33,940.98/x
  3. Step 3: Cross multiply
    86,526.18x = 129,733.47 × 33,940.98
  4. Step 4: Simplify right side
    86,526.18x = 4,403,281,110.60
  5. Step 5: Solve for x
    x = 4,403,281,110.60/86,526.18
  6. Step 6: Final answer
    x = 50,889.58

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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.