Home / 71,206.79-98,266.02-39,376.22

Finding the Fourth Proportional to 71,206.79, 98,266.02 and 39,376.22

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Solution

The fourth proportional to 71,206.79, 98,266.02 and 39,376.22 is: 54,339.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,206.79 : 98,266.02 = 39,376.22 : x
  2. Step 2: Convert to fraction form
    71,206.79/98,266.02 = 39,376.22/x
  3. Step 3: Cross multiply
    71,206.79x = 98,266.02 × 39,376.22
  4. Step 4: Simplify right side
    71,206.79x = 3,869,344,336.29
  5. Step 5: Solve for x
    x = 3,869,344,336.29/71,206.79
  6. Step 6: Final answer
    x = 54,339.54

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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.