Home / 91,699.62-126,543.85-51,413.25

Finding the Fourth Proportional to 91,699.62, 126,543.85 and 51,413.25

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Solution

The fourth proportional to 91,699.62, 126,543.85 and 51,413.25 is: 70,949.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,699.62 : 126,543.85 = 51,413.25 : x
  2. Step 2: Convert to fraction form
    91,699.62/126,543.85 = 51,413.25/x
  3. Step 3: Cross multiply
    91,699.62x = 126,543.85 × 51,413.25
  4. Step 4: Simplify right side
    91,699.62x = 6,506,030,596.01
  5. Step 5: Solve for x
    x = 6,506,030,596.01/91,699.62
  6. Step 6: Final answer
    x = 70,949.37

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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.