Home / 70,603.16-97,429.43-38,336.51

Finding the Fourth Proportional to 70,603.16, 97,429.43 and 38,336.51

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Solution

The fourth proportional to 70,603.16, 97,429.43 and 38,336.51 is: 52,902.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,603.16 : 97,429.43 = 38,336.51 : x
  2. Step 2: Convert to fraction form
    70,603.16/97,429.43 = 38,336.51/x
  3. Step 3: Cross multiply
    70,603.16x = 97,429.43 × 38,336.51
  4. Step 4: Simplify right side
    70,603.16x = 3,735,104,317.49
  5. Step 5: Solve for x
    x = 3,735,104,317.49/70,603.16
  6. Step 6: Final answer
    x = 52,902.80

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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.