Home / 69,417.90-95,805.65-39,210.98

Finding the Fourth Proportional to 69,417.90, 95,805.65 and 39,210.98

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Solution

The fourth proportional to 69,417.90, 95,805.65 and 39,210.98 is: 54,116.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,417.90 : 95,805.65 = 39,210.98 : x
  2. Step 2: Convert to fraction form
    69,417.90/95,805.65 = 39,210.98/x
  3. Step 3: Cross multiply
    69,417.90x = 95,805.65 × 39,210.98
  4. Step 4: Simplify right side
    69,417.90x = 3,756,633,426.04
  5. Step 5: Solve for x
    x = 3,756,633,426.04/69,417.90
  6. Step 6: Final answer
    x = 54,116.21

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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.