Home / 74,064.09-102,102.12-52,806.45

Finding the Fourth Proportional to 74,064.09, 102,102.12 and 52,806.45

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Solution

The fourth proportional to 74,064.09, 102,102.12 and 52,806.45 is: 72,797.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,064.09 : 102,102.12 = 52,806.45 : x
  2. Step 2: Convert to fraction form
    74,064.09/102,102.12 = 52,806.45/x
  3. Step 3: Cross multiply
    74,064.09x = 102,102.12 × 52,806.45
  4. Step 4: Simplify right side
    74,064.09x = 5,391,650,494.67
  5. Step 5: Solve for x
    x = 5,391,650,494.67/74,064.09
  6. Step 6: Final answer
    x = 72,797.09

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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.