Home / 102,438.35-153,557.74-46,292.59

Finding the Fourth Proportional to 102,438.35, 153,557.74 and 46,292.59

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Solution

The fourth proportional to 102,438.35, 153,557.74 and 46,292.59 is: 69,393.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,438.35 : 153,557.74 = 46,292.59 : x
  2. Step 2: Convert to fraction form
    102,438.35/153,557.74 = 46,292.59/x
  3. Step 3: Cross multiply
    102,438.35x = 153,557.74 × 46,292.59
  4. Step 4: Simplify right side
    102,438.35x = 7,108,585,499.15
  5. Step 5: Solve for x
    x = 7,108,585,499.15/102,438.35
  6. Step 6: Final answer
    x = 69,393.79

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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.