Home / 84,111.09-116,069.40-48,275.88

Finding the Fourth Proportional to 84,111.09, 116,069.40 and 48,275.88

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Solution

The fourth proportional to 84,111.09, 116,069.40 and 48,275.88 is: 66,618.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,111.09 : 116,069.40 = 48,275.88 : x
  2. Step 2: Convert to fraction form
    84,111.09/116,069.40 = 48,275.88/x
  3. Step 3: Cross multiply
    84,111.09x = 116,069.40 × 48,275.88
  4. Step 4: Simplify right side
    84,111.09x = 5,603,352,426.07
  5. Step 5: Solve for x
    x = 5,603,352,426.07/84,111.09
  6. Step 6: Final answer
    x = 66,618.47

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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.