Home / 76,074.09-104,974.14-42,077.18

Finding the Fourth Proportional to 76,074.09, 104,974.14 and 42,077.18

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Solution

The fourth proportional to 76,074.09, 104,974.14 and 42,077.18 is: 58,062.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,074.09 : 104,974.14 = 42,077.18 : x
  2. Step 2: Convert to fraction form
    76,074.09/104,974.14 = 42,077.18/x
  3. Step 3: Cross multiply
    76,074.09x = 104,974.14 × 42,077.18
  4. Step 4: Simplify right side
    76,074.09x = 4,417,015,259.25
  5. Step 5: Solve for x
    x = 4,417,015,259.25/76,074.09
  6. Step 6: Final answer
    x = 58,062.02

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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.