Home / 70,475.08-97,145.22-53,411.02

Finding the Fourth Proportional to 70,475.08, 97,145.22 and 53,411.02

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Solution

The fourth proportional to 70,475.08, 97,145.22 and 53,411.02 is: 73,623.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,475.08 : 97,145.22 = 53,411.02 : x
  2. Step 2: Convert to fraction form
    70,475.08/97,145.22 = 53,411.02/x
  3. Step 3: Cross multiply
    70,475.08x = 97,145.22 × 53,411.02
  4. Step 4: Simplify right side
    70,475.08x = 5,188,625,288.32
  5. Step 5: Solve for x
    x = 5,188,625,288.32/70,475.08
  6. Step 6: Final answer
    x = 73,623.55

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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.