Home / 70,102.49-96,749.93-39,895.16

Finding the Fourth Proportional to 70,102.49, 96,749.93 and 39,895.16

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Solution

The fourth proportional to 70,102.49, 96,749.93 and 39,895.16 is: 55,060.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,102.49 : 96,749.93 = 39,895.16 : x
  2. Step 2: Convert to fraction form
    70,102.49/96,749.93 = 39,895.16/x
  3. Step 3: Cross multiply
    70,102.49x = 96,749.93 × 39,895.16
  4. Step 4: Simplify right side
    70,102.49x = 3,859,853,737.86
  5. Step 5: Solve for x
    x = 3,859,853,737.86/70,102.49
  6. Step 6: Final answer
    x = 55,060.15

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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.