Home / 125,605.62-173,345.40-71,907.48

Finding the Fourth Proportional to 125,605.62, 173,345.40 and 71,907.48

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Solution

The fourth proportional to 125,605.62, 173,345.40 and 71,907.48 is: 99,237.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,605.62 : 173,345.40 = 71,907.48 : x
  2. Step 2: Convert to fraction form
    125,605.62/173,345.40 = 71,907.48/x
  3. Step 3: Cross multiply
    125,605.62x = 173,345.40 × 71,907.48
  4. Step 4: Simplify right side
    125,605.62x = 12,464,830,883.59
  5. Step 5: Solve for x
    x = 12,464,830,883.59/125,605.62
  6. Step 6: Final answer
    x = 99,237.84

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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.