Home / 99,280.55-137,027.08-58,986.55

Finding the Fourth Proportional to 99,280.55, 137,027.08 and 58,986.55

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Solution

The fourth proportional to 99,280.55, 137,027.08 and 58,986.55 is: 81,413.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,280.55 : 137,027.08 = 58,986.55 : x
  2. Step 2: Convert to fraction form
    99,280.55/137,027.08 = 58,986.55/x
  3. Step 3: Cross multiply
    99,280.55x = 137,027.08 × 58,986.55
  4. Step 4: Simplify right side
    99,280.55x = 8,082,754,705.77
  5. Step 5: Solve for x
    x = 8,082,754,705.77/99,280.55
  6. Step 6: Final answer
    x = 81,413.27

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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.