Home / 52,060.48-78,090.02-12,617.93

Finding the Fourth Proportional to 52,060.48, 78,090.02 and 12,617.93

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Solution

The fourth proportional to 52,060.48, 78,090.02 and 12,617.93 is: 18,926.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,060.48 : 78,090.02 = 12,617.93 : x
  2. Step 2: Convert to fraction form
    52,060.48/78,090.02 = 12,617.93/x
  3. Step 3: Cross multiply
    52,060.48x = 78,090.02 × 12,617.93
  4. Step 4: Simplify right side
    52,060.48x = 985,334,406.06
  5. Step 5: Solve for x
    x = 985,334,406.06/52,060.48
  6. Step 6: Final answer
    x = 18,926.73

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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.