Home / 90,835.29-125,338.73-56,827.35

Finding the Fourth Proportional to 90,835.29, 125,338.73 and 56,827.35

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Solution

The fourth proportional to 90,835.29, 125,338.73 and 56,827.35 is: 78,413.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,835.29 : 125,338.73 = 56,827.35 : x
  2. Step 2: Convert to fraction form
    90,835.29/125,338.73 = 56,827.35/x
  3. Step 3: Cross multiply
    90,835.29x = 125,338.73 × 56,827.35
  4. Step 4: Simplify right side
    90,835.29x = 7,122,667,594.13
  5. Step 5: Solve for x
    x = 7,122,667,594.13/90,835.29
  6. Step 6: Final answer
    x = 78,413.00

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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.