Home / 52,118.02-78,176.44-12,675.16

Finding the Fourth Proportional to 52,118.02, 78,176.44 and 12,675.16

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Solution

The fourth proportional to 52,118.02, 78,176.44 and 12,675.16 is: 19,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,118.02 : 78,176.44 = 12,675.16 : x
  2. Step 2: Convert to fraction form
    52,118.02/78,176.44 = 12,675.16/x
  3. Step 3: Cross multiply
    52,118.02x = 78,176.44 × 12,675.16
  4. Step 4: Simplify right side
    52,118.02x = 990,898,885.23
  5. Step 5: Solve for x
    x = 990,898,885.23/52,118.02
  6. Step 6: Final answer
    x = 19,012.60

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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.