Home / 77,349.40-115,937.70-44,085.40

Finding the Fourth Proportional to 77,349.40, 115,937.70 and 44,085.40

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Solution

The fourth proportional to 77,349.40, 115,937.70 and 44,085.40 is: 66,078.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,349.40 : 115,937.70 = 44,085.40 : x
  2. Step 2: Convert to fraction form
    77,349.40/115,937.70 = 44,085.40/x
  3. Step 3: Cross multiply
    77,349.40x = 115,937.70 × 44,085.40
  4. Step 4: Simplify right side
    77,349.40x = 5,111,159,879.58
  5. Step 5: Solve for x
    x = 5,111,159,879.58/77,349.40
  6. Step 6: Final answer
    x = 66,078.86

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1.5x scale

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.