Home / 90,870.14-125,386.02-50,582.97

Finding the Fourth Proportional to 90,870.14, 125,386.02 and 50,582.97

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Solution

The fourth proportional to 90,870.14, 125,386.02 and 50,582.97 is: 69,796.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,870.14 : 125,386.02 = 50,582.97 : x
  2. Step 2: Convert to fraction form
    90,870.14/125,386.02 = 50,582.97/x
  3. Step 3: Cross multiply
    90,870.14x = 125,386.02 × 50,582.97
  4. Step 4: Simplify right side
    90,870.14x = 6,342,397,288.08
  5. Step 5: Solve for x
    x = 6,342,397,288.08/90,870.14
  6. Step 6: Final answer
    x = 69,796.28

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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.