Home / 52,157.16-78,038.91-29,980.98

Finding the Fourth Proportional to 52,157.16, 78,038.91 and 29,980.98

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Solution

The fourth proportional to 52,157.16, 78,038.91 and 29,980.98 is: 44,858.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,157.16 : 78,038.91 = 29,980.98 : x
  2. Step 2: Convert to fraction form
    52,157.16/78,038.91 = 29,980.98/x
  3. Step 3: Cross multiply
    52,157.16x = 78,038.91 × 29,980.98
  4. Step 4: Simplify right side
    52,157.16x = 2,339,682,999.93
  5. Step 5: Solve for x
    x = 2,339,682,999.93/52,157.16
  6. Step 6: Final answer
    x = 44,858.33

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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.