Home / 76,050.81-104,950.35-42,516.81

Finding the Fourth Proportional to 76,050.81, 104,950.35 and 42,516.81

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Solution

The fourth proportional to 76,050.81, 104,950.35 and 42,516.81 is: 58,673.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,050.81 : 104,950.35 = 42,516.81 : x
  2. Step 2: Convert to fraction form
    76,050.81/104,950.35 = 42,516.81/x
  3. Step 3: Cross multiply
    76,050.81x = 104,950.35 × 42,516.81
  4. Step 4: Simplify right side
    76,050.81x = 4,462,154,090.38
  5. Step 5: Solve for x
    x = 4,462,154,090.38/76,050.81
  6. Step 6: Final answer
    x = 58,673.33

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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.