Home / 65,923.60-98,875.26-21,550.60

Finding the Fourth Proportional to 65,923.60, 98,875.26 and 21,550.60

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Solution

The fourth proportional to 65,923.60, 98,875.26 and 21,550.60 is: 32,322.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,923.60 : 98,875.26 = 21,550.60 : x
  2. Step 2: Convert to fraction form
    65,923.60/98,875.26 = 21,550.60/x
  3. Step 3: Cross multiply
    65,923.60x = 98,875.26 × 21,550.60
  4. Step 4: Simplify right side
    65,923.60x = 2,130,821,178.16
  5. Step 5: Solve for x
    x = 2,130,821,178.16/65,923.60
  6. Step 6: Final answer
    x = 32,322.59

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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.