Home / 52,202.34-78,345.09-18,931.95

Finding the Fourth Proportional to 52,202.34, 78,345.09 and 18,931.95

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Solution

The fourth proportional to 52,202.34, 78,345.09 and 18,931.95 is: 28,413.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,202.34 : 78,345.09 = 18,931.95 : x
  2. Step 2: Convert to fraction form
    52,202.34/78,345.09 = 18,931.95/x
  3. Step 3: Cross multiply
    52,202.34x = 78,345.09 × 18,931.95
  4. Step 4: Simplify right side
    52,202.34x = 1,483,225,326.63
  5. Step 5: Solve for x
    x = 1,483,225,326.63/52,202.34
  6. Step 6: Final answer
    x = 28,413.00

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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.