Home / 72,886.03-100,548.34-42,652.81

Finding the Fourth Proportional to 72,886.03, 100,548.34 and 42,652.81

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Solution

The fourth proportional to 72,886.03, 100,548.34 and 42,652.81 is: 58,840.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,886.03 : 100,548.34 = 42,652.81 : x
  2. Step 2: Convert to fraction form
    72,886.03/100,548.34 = 42,652.81/x
  3. Step 3: Cross multiply
    72,886.03x = 100,548.34 × 42,652.81
  4. Step 4: Simplify right side
    72,886.03x = 4,288,669,241.84
  5. Step 5: Solve for x
    x = 4,288,669,241.84/72,886.03
  6. Step 6: Final answer
    x = 58,840.76

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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.