Home / 91,323.19-126,025.57-51,036.93

Finding the Fourth Proportional to 91,323.19, 126,025.57 and 51,036.93

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Solution

The fourth proportional to 91,323.19, 126,025.57 and 51,036.93 is: 70,430.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,323.19 : 126,025.57 = 51,036.93 : x
  2. Step 2: Convert to fraction form
    91,323.19/126,025.57 = 51,036.93/x
  3. Step 3: Cross multiply
    91,323.19x = 126,025.57 × 51,036.93
  4. Step 4: Simplify right side
    91,323.19x = 6,431,958,194.30
  5. Step 5: Solve for x
    x = 6,431,958,194.30/91,323.19
  6. Step 6: Final answer
    x = 70,430.72

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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.