Home / 83,654.24-115,442.95-45,413.77

Finding the Fourth Proportional to 83,654.24, 115,442.95 and 45,413.77

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Solution

The fourth proportional to 83,654.24, 115,442.95 and 45,413.77 is: 62,671.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,654.24 : 115,442.95 = 45,413.77 : x
  2. Step 2: Convert to fraction form
    83,654.24/115,442.95 = 45,413.77/x
  3. Step 3: Cross multiply
    83,654.24x = 115,442.95 × 45,413.77
  4. Step 4: Simplify right side
    83,654.24x = 5,242,699,579.42
  5. Step 5: Solve for x
    x = 5,242,699,579.42/83,654.24
  6. Step 6: Final answer
    x = 62,671.06

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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.