Home / 70,415.08-97,181.22-43,575.40

Finding the Fourth Proportional to 70,415.08, 97,181.22 and 43,575.40

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Solution

The fourth proportional to 70,415.08, 97,181.22 and 43,575.40 is: 60,139.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,415.08 : 97,181.22 = 43,575.40 : x
  2. Step 2: Convert to fraction form
    70,415.08/97,181.22 = 43,575.40/x
  3. Step 3: Cross multiply
    70,415.08x = 97,181.22 × 43,575.40
  4. Step 4: Simplify right side
    70,415.08x = 4,234,710,533.99
  5. Step 5: Solve for x
    x = 4,234,710,533.99/70,415.08
  6. Step 6: Final answer
    x = 60,139.26

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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.