Home / 77,641.14-116,433.06-27,707.88

Finding the Fourth Proportional to 77,641.14, 116,433.06 and 27,707.88

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Solution

The fourth proportional to 77,641.14, 116,433.06 and 27,707.88 is: 41,551.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,641.14 : 116,433.06 = 27,707.88 : x
  2. Step 2: Convert to fraction form
    77,641.14/116,433.06 = 27,707.88/x
  3. Step 3: Cross multiply
    77,641.14x = 116,433.06 × 27,707.88
  4. Step 4: Simplify right side
    77,641.14x = 3,226,113,254.51
  5. Step 5: Solve for x
    x = 3,226,113,254.51/77,641.14
  6. Step 6: Final answer
    x = 41,551.60

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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.