Home / 86,117.02-129,235.11-33,526.78

Finding the Fourth Proportional to 86,117.02, 129,235.11 and 33,526.78

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Solution

The fourth proportional to 86,117.02, 129,235.11 and 33,526.78 is: 50,313.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,117.02 : 129,235.11 = 33,526.78 : x
  2. Step 2: Convert to fraction form
    86,117.02/129,235.11 = 33,526.78/x
  3. Step 3: Cross multiply
    86,117.02x = 129,235.11 × 33,526.78
  4. Step 4: Simplify right side
    86,117.02x = 4,332,837,101.25
  5. Step 5: Solve for x
    x = 4,332,837,101.25/86,117.02
  6. Step 6: Final answer
    x = 50,313.37

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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.