Home / 69,412.29-95,790.70-42,569.60

Finding the Fourth Proportional to 69,412.29, 95,790.70 and 42,569.60

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Solution

The fourth proportional to 69,412.29, 95,790.70 and 42,569.60 is: 58,747.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,412.29 : 95,790.70 = 42,569.60 : x
  2. Step 2: Convert to fraction form
    69,412.29/95,790.70 = 42,569.60/x
  3. Step 3: Cross multiply
    69,412.29x = 95,790.70 × 42,569.60
  4. Step 4: Simplify right side
    69,412.29x = 4,077,771,895.80
  5. Step 5: Solve for x
    x = 4,077,771,895.80/69,412.29
  6. Step 6: Final answer
    x = 58,747.12

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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.