Home / 97,529.81-146,315.16-55,429.38

Finding the Fourth Proportional to 97,529.81, 146,315.16 and 55,429.38

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Solution

The fourth proportional to 97,529.81, 146,315.16 and 55,429.38 is: 83,155.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,529.81 : 146,315.16 = 55,429.38 : x
  2. Step 2: Convert to fraction form
    97,529.81/146,315.16 = 55,429.38/x
  3. Step 3: Cross multiply
    97,529.81x = 146,315.16 × 55,429.38
  4. Step 4: Simplify right side
    97,529.81x = 8,110,158,603.40
  5. Step 5: Solve for x
    x = 8,110,158,603.40/97,529.81
  6. Step 6: Final answer
    x = 83,155.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.