Home / 71,312.06-98,410.65-39,483.01

Finding the Fourth Proportional to 71,312.06, 98,410.65 and 39,483.01

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Solution

The fourth proportional to 71,312.06, 98,410.65 and 39,483.01 is: 54,486.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,312.06 : 98,410.65 = 39,483.01 : x
  2. Step 2: Convert to fraction form
    71,312.06/98,410.65 = 39,483.01/x
  3. Step 3: Cross multiply
    71,312.06x = 98,410.65 × 39,483.01
  4. Step 4: Simplify right side
    71,312.06x = 3,885,548,653.01
  5. Step 5: Solve for x
    x = 3,885,548,653.01/71,312.06
  6. Step 6: Final answer
    x = 54,486.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.