Home / 86,188.29-118,937.55-47,945.85

Finding the Fourth Proportional to 86,188.29, 118,937.55 and 47,945.85

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Solution

The fourth proportional to 86,188.29, 118,937.55 and 47,945.85 is: 66,164.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,188.29 : 118,937.55 = 47,945.85 : x
  2. Step 2: Convert to fraction form
    86,188.29/118,937.55 = 47,945.85/x
  3. Step 3: Cross multiply
    86,188.29x = 118,937.55 × 47,945.85
  4. Step 4: Simplify right side
    86,188.29x = 5,702,561,931.67
  5. Step 5: Solve for x
    x = 5,702,561,931.67/86,188.29
  6. Step 6: Final answer
    x = 66,164.00

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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.