Home / 77,725.60-116,581.92-46,538.08

Finding the Fourth Proportional to 77,725.60, 116,581.92 and 46,538.08

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Solution

The fourth proportional to 77,725.60, 116,581.92 and 46,538.08 is: 69,803.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,725.60 : 116,581.92 = 46,538.08 : x
  2. Step 2: Convert to fraction form
    77,725.60/116,581.92 = 46,538.08/x
  3. Step 3: Cross multiply
    77,725.60x = 116,581.92 × 46,538.08
  4. Step 4: Simplify right side
    77,725.60x = 5,425,498,719.51
  5. Step 5: Solve for x
    x = 5,425,498,719.51/77,725.60
  6. Step 6: Final answer
    x = 69,803.24

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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.