Home / 71,347.04-98,457.84-39,081.41

Finding the Fourth Proportional to 71,347.04, 98,457.84 and 39,081.41

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Solution

The fourth proportional to 71,347.04, 98,457.84 and 39,081.41 is: 53,931.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,347.04 : 98,457.84 = 39,081.41 : x
  2. Step 2: Convert to fraction form
    71,347.04/98,457.84 = 39,081.41/x
  3. Step 3: Cross multiply
    71,347.04x = 98,457.84 × 39,081.41
  4. Step 4: Simplify right side
    71,347.04x = 3,847,870,860.33
  5. Step 5: Solve for x
    x = 3,847,870,860.33/71,347.04
  6. Step 6: Final answer
    x = 53,931.75

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1.5x scale

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.