Home / 83,554.42-115,239.93-51,740.98

Finding the Fourth Proportional to 83,554.42, 115,239.93 and 51,740.98

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Solution

The fourth proportional to 83,554.42, 115,239.93 and 51,740.98 is: 71,362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,554.42 : 115,239.93 = 51,740.98 : x
  2. Step 2: Convert to fraction form
    83,554.42/115,239.93 = 51,740.98/x
  3. Step 3: Cross multiply
    83,554.42x = 115,239.93 × 51,740.98
  4. Step 4: Simplify right side
    83,554.42x = 5,962,626,913.33
  5. Step 5: Solve for x
    x = 5,962,626,913.33/83,554.42
  6. Step 6: Final answer
    x = 71,362.20

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1.5x scale

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.