Home / 68,858.09-95,110.77-56,802.26

Finding the Fourth Proportional to 68,858.09, 95,110.77 and 56,802.26

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Solution

The fourth proportional to 68,858.09, 95,110.77 and 56,802.26 is: 78,458.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,858.09 : 95,110.77 = 56,802.26 : x
  2. Step 2: Convert to fraction form
    68,858.09/95,110.77 = 56,802.26/x
  3. Step 3: Cross multiply
    68,858.09x = 95,110.77 × 56,802.26
  4. Step 4: Simplify right side
    68,858.09x = 5,402,506,210.79
  5. Step 5: Solve for x
    x = 5,402,506,210.79/68,858.09
  6. Step 6: Final answer
    x = 78,458.56

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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.