Home / 80,819.51-111,530.29-46,827.26

Finding the Fourth Proportional to 80,819.51, 111,530.29 and 46,827.26

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Solution

The fourth proportional to 80,819.51, 111,530.29 and 46,827.26 is: 64,621.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,819.51 : 111,530.29 = 46,827.26 : x
  2. Step 2: Convert to fraction form
    80,819.51/111,530.29 = 46,827.26/x
  3. Step 3: Cross multiply
    80,819.51x = 111,530.29 × 46,827.26
  4. Step 4: Simplify right side
    80,819.51x = 5,222,657,887.71
  5. Step 5: Solve for x
    x = 5,222,657,887.71/80,819.51
  6. Step 6: Final answer
    x = 64,621.25

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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.