Home / 84,485.23-116,618.76-48,689.53

Finding the Fourth Proportional to 84,485.23, 116,618.76 and 48,689.53

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Solution

The fourth proportional to 84,485.23, 116,618.76 and 48,689.53 is: 67,208.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,485.23 : 116,618.76 = 48,689.53 : x
  2. Step 2: Convert to fraction form
    84,485.23/116,618.76 = 48,689.53/x
  3. Step 3: Cross multiply
    84,485.23x = 116,618.76 × 48,689.53
  4. Step 4: Simplify right side
    84,485.23x = 5,678,112,613.58
  5. Step 5: Solve for x
    x = 5,678,112,613.58/84,485.23
  6. Step 6: Final answer
    x = 67,208.35

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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.