Home / 88,720.01-122,433.89-56,889.03

Finding the Fourth Proportional to 88,720.01, 122,433.89 and 56,889.03

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Solution

The fourth proportional to 88,720.01, 122,433.89 and 56,889.03 is: 78,507.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,720.01 : 122,433.89 = 56,889.03 : x
  2. Step 2: Convert to fraction form
    88,720.01/122,433.89 = 56,889.03/x
  3. Step 3: Cross multiply
    88,720.01x = 122,433.89 × 56,889.03
  4. Step 4: Simplify right side
    88,720.01x = 6,965,144,956.78
  5. Step 5: Solve for x
    x = 6,965,144,956.78/88,720.01
  6. Step 6: Final answer
    x = 78,507.04

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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.