Home / 91,585.71-126,386.79-51,299.37

Finding the Fourth Proportional to 91,585.71, 126,386.79 and 51,299.37

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Solution

The fourth proportional to 91,585.71, 126,386.79 and 51,299.37 is: 70,792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,585.71 : 126,386.79 = 51,299.37 : x
  2. Step 2: Convert to fraction form
    91,585.71/126,386.79 = 51,299.37/x
  3. Step 3: Cross multiply
    91,585.71x = 126,386.79 × 51,299.37
  4. Step 4: Simplify right side
    91,585.71x = 6,483,562,703.32
  5. Step 5: Solve for x
    x = 6,483,562,703.32/91,585.71
  6. Step 6: Final answer
    x = 70,792.30

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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.