Home / 72,802.19-109,089.66-46,091.63

Finding the Fourth Proportional to 72,802.19, 109,089.66 and 46,091.63

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Solution

The fourth proportional to 72,802.19, 109,089.66 and 46,091.63 is: 69,065.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,802.19 : 109,089.66 = 46,091.63 : x
  2. Step 2: Convert to fraction form
    72,802.19/109,089.66 = 46,091.63/x
  3. Step 3: Cross multiply
    72,802.19x = 109,089.66 × 46,091.63
  4. Step 4: Simplify right side
    72,802.19x = 5,028,120,518.27
  5. Step 5: Solve for x
    x = 5,028,120,518.27/72,802.19
  6. Step 6: Final answer
    x = 69,065.51

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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.