Home / 64,942.20-97,413.30-47,230.20

Finding the Fourth Proportional to 64,942.20, 97,413.30 and 47,230.20

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Solution

The fourth proportional to 64,942.20, 97,413.30 and 47,230.20 is: 70,845.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,942.20 : 97,413.30 = 47,230.20 : x
  2. Step 2: Convert to fraction form
    64,942.20/97,413.30 = 47,230.20/x
  3. Step 3: Cross multiply
    64,942.20x = 97,413.30 × 47,230.20
  4. Step 4: Simplify right side
    64,942.20x = 4,600,849,641.66
  5. Step 5: Solve for x
    x = 4,600,849,641.66/64,942.20
  6. Step 6: Final answer
    x = 70,845.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.