Home / 90,047.04-124,264.44-49,763.60

Finding the Fourth Proportional to 90,047.04, 124,264.44 and 49,763.60

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Solution

The fourth proportional to 90,047.04, 124,264.44 and 49,763.60 is: 68,673.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,047.04 : 124,264.44 = 49,763.60 : x
  2. Step 2: Convert to fraction form
    90,047.04/124,264.44 = 49,763.60/x
  3. Step 3: Cross multiply
    90,047.04x = 124,264.44 × 49,763.60
  4. Step 4: Simplify right side
    90,047.04x = 6,183,845,886.38
  5. Step 5: Solve for x
    x = 6,183,845,886.38/90,047.04
  6. Step 6: Final answer
    x = 68,673.51

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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.