Home / 86,088.64-118,796.88-50,288.80

Finding the Fourth Proportional to 86,088.64, 118,796.88 and 50,288.80

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Solution

The fourth proportional to 86,088.64, 118,796.88 and 50,288.80 is: 69,395.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,088.64 : 118,796.88 = 50,288.80 : x
  2. Step 2: Convert to fraction form
    86,088.64/118,796.88 = 50,288.80/x
  3. Step 3: Cross multiply
    86,088.64x = 118,796.88 × 50,288.80
  4. Step 4: Simplify right side
    86,088.64x = 5,974,152,538.94
  5. Step 5: Solve for x
    x = 5,974,152,538.94/86,088.64
  6. Step 6: Final answer
    x = 69,395.36

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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.