Home / 69,030.42-103,545.77-19,110.66

Finding the Fourth Proportional to 69,030.42, 103,545.77 and 19,110.66

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Solution

The fourth proportional to 69,030.42, 103,545.77 and 19,110.66 is: 28,666.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,030.42 : 103,545.77 = 19,110.66 : x
  2. Step 2: Convert to fraction form
    69,030.42/103,545.77 = 19,110.66/x
  3. Step 3: Cross multiply
    69,030.42x = 103,545.77 × 19,110.66
  4. Step 4: Simplify right side
    69,030.42x = 1,978,828,004.91
  5. Step 5: Solve for x
    x = 1,978,828,004.91/69,030.42
  6. Step 6: Final answer
    x = 28,666.03

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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.