Home / 63,213.18-94,788.02-21,078.35

Finding the Fourth Proportional to 63,213.18, 94,788.02 and 21,078.35

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Solution

The fourth proportional to 63,213.18, 94,788.02 and 21,078.35 is: 31,606.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,213.18 : 94,788.02 = 21,078.35 : x
  2. Step 2: Convert to fraction form
    63,213.18/94,788.02 = 21,078.35/x
  3. Step 3: Cross multiply
    63,213.18x = 94,788.02 × 21,078.35
  4. Step 4: Simplify right side
    63,213.18x = 1,997,974,482.04
  5. Step 5: Solve for x
    x = 1,997,974,482.04/63,213.18
  6. Step 6: Final answer
    x = 31,606.93

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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.