Home / 77,705.12-116,557.50-33,303.08

Finding the Fourth Proportional to 77,705.12, 116,557.50 and 33,303.08

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Solution

The fourth proportional to 77,705.12, 116,557.50 and 33,303.08 is: 49,954.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,705.12 : 116,557.50 = 33,303.08 : x
  2. Step 2: Convert to fraction form
    77,705.12/116,557.50 = 33,303.08/x
  3. Step 3: Cross multiply
    77,705.12x = 116,557.50 × 33,303.08
  4. Step 4: Simplify right side
    77,705.12x = 3,881,723,747.10
  5. Step 5: Solve for x
    x = 3,881,723,747.10/77,705.12
  6. Step 6: Final answer
    x = 49,954.54

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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.