Home / 76,036.16-104,920.74-42,040.06

Finding the Fourth Proportional to 76,036.16, 104,920.74 and 42,040.06

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Solution

The fourth proportional to 76,036.16, 104,920.74 and 42,040.06 is: 58,010.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,036.16 : 104,920.74 = 42,040.06 : x
  2. Step 2: Convert to fraction form
    76,036.16/104,920.74 = 42,040.06/x
  3. Step 3: Cross multiply
    76,036.16x = 104,920.74 × 42,040.06
  4. Step 4: Simplify right side
    76,036.16x = 4,410,874,204.84
  5. Step 5: Solve for x
    x = 4,410,874,204.84/76,036.16
  6. Step 6: Final answer
    x = 58,010.22

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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.