Home / 52,364.02-78,545.76-21,199

Finding the Fourth Proportional to 52,364.02, 78,545.76 and 21,199

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Solution

The fourth proportional to 52,364.02, 78,545.76 and 21,199 is: 31,798.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,364.02 : 78,545.76 = 21,199 : x
  2. Step 2: Convert to fraction form
    52,364.02/78,545.76 = 21,199/x
  3. Step 3: Cross multiply
    52,364.02x = 78,545.76 × 21,199
  4. Step 4: Simplify right side
    52,364.02x = 1,665,091,566.24
  5. Step 5: Solve for x
    x = 1,665,091,566.24/52,364.02
  6. Step 6: Final answer
    x = 31,798.39

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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.