Home / 65,587.37-98,331.05-20,582.77

Finding the Fourth Proportional to 65,587.37, 98,331.05 and 20,582.77

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Solution

The fourth proportional to 65,587.37, 98,331.05 and 20,582.77 is: 30,858.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,587.37 : 98,331.05 = 20,582.77 : x
  2. Step 2: Convert to fraction form
    65,587.37/98,331.05 = 20,582.77/x
  3. Step 3: Cross multiply
    65,587.37x = 98,331.05 × 20,582.77
  4. Step 4: Simplify right side
    65,587.37x = 2,023,925,376.01
  5. Step 5: Solve for x
    x = 2,023,925,376.01/65,587.37
  6. Step 6: Final answer
    x = 30,858.46

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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.