Home / 86,909.89-119,945.74-52,938.26

Finding the Fourth Proportional to 86,909.89, 119,945.74 and 52,938.26

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Solution

The fourth proportional to 86,909.89, 119,945.74 and 52,938.26 is: 73,060.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,909.89 : 119,945.74 = 52,938.26 : x
  2. Step 2: Convert to fraction form
    86,909.89/119,945.74 = 52,938.26/x
  3. Step 3: Cross multiply
    86,909.89x = 119,945.74 × 52,938.26
  4. Step 4: Simplify right side
    86,909.89x = 6,349,718,770.01
  5. Step 5: Solve for x
    x = 6,349,718,770.01/86,909.89
  6. Step 6: Final answer
    x = 73,060.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.