Home / 94,347.36-130,199.34-56,621.64

Finding the Fourth Proportional to 94,347.36, 130,199.34 and 56,621.64

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Solution

The fourth proportional to 94,347.36, 130,199.34 and 56,621.64 is: 78,137.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,347.36 : 130,199.34 = 56,621.64 : x
  2. Step 2: Convert to fraction form
    94,347.36/130,199.34 = 56,621.64/x
  3. Step 3: Cross multiply
    94,347.36x = 130,199.34 × 56,621.64
  4. Step 4: Simplify right side
    94,347.36x = 7,372,100,157.72
  5. Step 5: Solve for x
    x = 7,372,100,157.72/94,347.36
  6. Step 6: Final answer
    x = 78,137.85

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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.