Home / 90,068.19-124,276.44-54,260.18

Finding the Fourth Proportional to 90,068.19, 124,276.44 and 54,260.18

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Solution

The fourth proportional to 90,068.19, 124,276.44 and 54,260.18 is: 74,868.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,068.19 : 124,276.44 = 54,260.18 : x
  2. Step 2: Convert to fraction form
    90,068.19/124,276.44 = 54,260.18/x
  3. Step 3: Cross multiply
    90,068.19x = 124,276.44 × 54,260.18
  4. Step 4: Simplify right side
    90,068.19x = 6,743,262,004.16
  5. Step 5: Solve for x
    x = 6,743,262,004.16/90,068.19
  6. Step 6: Final answer
    x = 74,868.41

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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.