Home / 48,240.99-72,354.93-12,699.35

Finding the Fourth Proportional to 48,240.99, 72,354.93 and 12,699.35

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Solution

The fourth proportional to 48,240.99, 72,354.93 and 12,699.35 is: 19,047.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,240.99 : 72,354.93 = 12,699.35 : x
  2. Step 2: Convert to fraction form
    48,240.99/72,354.93 = 12,699.35/x
  3. Step 3: Cross multiply
    48,240.99x = 72,354.93 × 12,699.35
  4. Step 4: Simplify right side
    48,240.99x = 918,860,218.52
  5. Step 5: Solve for x
    x = 918,860,218.52/48,240.99
  6. Step 6: Final answer
    x = 19,047.29

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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.