Home / 52,117.02-78,174.94-12,674.16

Finding the Fourth Proportional to 52,117.02, 78,174.94 and 12,674.16

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Solution

The fourth proportional to 52,117.02, 78,174.94 and 12,674.16 is: 19,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,117.02 : 78,174.94 = 12,674.16 : x
  2. Step 2: Convert to fraction form
    52,117.02/78,174.94 = 12,674.16/x
  3. Step 3: Cross multiply
    52,117.02x = 78,174.94 × 12,674.16
  4. Step 4: Simplify right side
    52,117.02x = 990,801,697.55
  5. Step 5: Solve for x
    x = 990,801,697.55/52,117.02
  6. Step 6: Final answer
    x = 19,011.10

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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.