Home / 71,355.12-98,470.08-39,526.08

Finding the Fourth Proportional to 71,355.12, 98,470.08 and 39,526.08

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Solution

The fourth proportional to 71,355.12, 98,470.08 and 39,526.08 is: 54,546.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,355.12 : 98,470.08 = 39,526.08 : x
  2. Step 2: Convert to fraction form
    71,355.12/98,470.08 = 39,526.08/x
  3. Step 3: Cross multiply
    71,355.12x = 98,470.08 × 39,526.08
  4. Step 4: Simplify right side
    71,355.12x = 3,892,136,259.69
  5. Step 5: Solve for x
    x = 3,892,136,259.69/71,355.12
  6. Step 6: Final answer
    x = 54,546.00

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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.