Home / 79,365.21-109,516.74-47,094.26

Finding the Fourth Proportional to 79,365.21, 109,516.74 and 47,094.26

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Solution

The fourth proportional to 79,365.21, 109,516.74 and 47,094.26 is: 64,985.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,365.21 : 109,516.74 = 47,094.26 : x
  2. Step 2: Convert to fraction form
    79,365.21/109,516.74 = 47,094.26/x
  3. Step 3: Cross multiply
    79,365.21x = 109,516.74 × 47,094.26
  4. Step 4: Simplify right side
    79,365.21x = 5,157,609,280.33
  5. Step 5: Solve for x
    x = 5,157,609,280.33/79,365.21
  6. Step 6: Final answer
    x = 64,985.77

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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.