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Finding the Fourth Proportional to 70,902, 97,845.98 and 45,795.24

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Solution

The fourth proportional to 70,902, 97,845.98 and 45,795.24 is: 63,198.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,902 : 97,845.98 = 45,795.24 : x
  2. Step 2: Convert to fraction form
    70,902/97,845.98 = 45,795.24/x
  3. Step 3: Cross multiply
    70,902x = 97,845.98 × 45,795.24
  4. Step 4: Simplify right side
    70,902x = 4,480,879,908.16
  5. Step 5: Solve for x
    x = 4,480,879,908.16/70,902
  6. Step 6: Final answer
    x = 63,198.22

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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.