Home / 74,063.09-102,100.75-52,805.45

Finding the Fourth Proportional to 74,063.09, 102,100.75 and 52,805.45

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Solution

The fourth proportional to 74,063.09, 102,100.75 and 52,805.45 is: 72,795.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,063.09 : 102,100.75 = 52,805.45 : x
  2. Step 2: Convert to fraction form
    74,063.09/102,100.75 = 52,805.45/x
  3. Step 3: Cross multiply
    74,063.09x = 102,100.75 × 52,805.45
  4. Step 4: Simplify right side
    74,063.09x = 5,391,475,785.06
  5. Step 5: Solve for x
    x = 5,391,475,785.06/74,063.09
  6. Step 6: Final answer
    x = 72,795.72

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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.