Home / 74,462.90-112,252.23-69,513.80

Finding the Fourth Proportional to 74,462.90, 112,252.23 and 69,513.80

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Solution

The fourth proportional to 74,462.90, 112,252.23 and 69,513.80 is: 104,791.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,462.90 : 112,252.23 = 69,513.80 : x
  2. Step 2: Convert to fraction form
    74,462.90/112,252.23 = 69,513.80/x
  3. Step 3: Cross multiply
    74,462.90x = 112,252.23 × 69,513.80
  4. Step 4: Simplify right side
    74,462.90x = 7,803,078,504.51
  5. Step 5: Solve for x
    x = 7,803,078,504.51/74,462.90
  6. Step 6: Final answer
    x = 104,791.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.