Home / 90,875.61-125,413.16-50,592.89

Finding the Fourth Proportional to 90,875.61, 125,413.16 and 50,592.89

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Solution

The fourth proportional to 90,875.61, 125,413.16 and 50,592.89 is: 69,820.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,875.61 : 125,413.16 = 50,592.89 : x
  2. Step 2: Convert to fraction form
    90,875.61/125,413.16 = 50,592.89/x
  3. Step 3: Cross multiply
    90,875.61x = 125,413.16 × 50,592.89
  4. Step 4: Simplify right side
    90,875.61x = 6,345,013,328.40
  5. Step 5: Solve for x
    x = 6,345,013,328.40/90,875.61
  6. Step 6: Final answer
    x = 69,820.86

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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.