Home / 106,656.95-160,011.75-31,776.81

Finding the Fourth Proportional to 106,656.95, 160,011.75 and 31,776.81

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Solution

The fourth proportional to 106,656.95, 160,011.75 and 31,776.81 is: 47,673.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,656.95 : 160,011.75 = 31,776.81 : x
  2. Step 2: Convert to fraction form
    106,656.95/160,011.75 = 31,776.81/x
  3. Step 3: Cross multiply
    106,656.95x = 160,011.75 × 31,776.81
  4. Step 4: Simplify right side
    106,656.95x = 5,084,662,977.52
  5. Step 5: Solve for x
    x = 5,084,662,977.52/106,656.95
  6. Step 6: Final answer
    x = 47,673.06

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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.