Home / 74,195.09-102,396.54-42,368.77

Finding the Fourth Proportional to 74,195.09, 102,396.54 and 42,368.77

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Solution

The fourth proportional to 74,195.09, 102,396.54 and 42,368.77 is: 58,473.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,195.09 : 102,396.54 = 42,368.77 : x
  2. Step 2: Convert to fraction form
    74,195.09/102,396.54 = 42,368.77/x
  3. Step 3: Cross multiply
    74,195.09x = 102,396.54 × 42,368.77
  4. Step 4: Simplify right side
    74,195.09x = 4,338,415,452.06
  5. Step 5: Solve for x
    x = 4,338,415,452.06/74,195.09
  6. Step 6: Final answer
    x = 58,473.08

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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.