Home / 77,376.40-116,064.60-46,272.40

Finding the Fourth Proportional to 77,376.40, 116,064.60 and 46,272.40

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Solution

The fourth proportional to 77,376.40, 116,064.60 and 46,272.40 is: 69,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,376.40 : 116,064.60 = 46,272.40 : x
  2. Step 2: Convert to fraction form
    77,376.40/116,064.60 = 46,272.40/x
  3. Step 3: Cross multiply
    77,376.40x = 116,064.60 × 46,272.40
  4. Step 4: Simplify right side
    77,376.40x = 5,370,587,597.04
  5. Step 5: Solve for x
    x = 5,370,587,597.04/77,376.40
  6. Step 6: Final answer
    x = 69,408.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.