Home / 66,460.26-91,831.68-53,141.34

Finding the Fourth Proportional to 66,460.26, 91,831.68 and 53,141.34

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Solution

The fourth proportional to 66,460.26, 91,831.68 and 53,141.34 is: 73,428.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,460.26 : 91,831.68 = 53,141.34 : x
  2. Step 2: Convert to fraction form
    66,460.26/91,831.68 = 53,141.34/x
  3. Step 3: Cross multiply
    66,460.26x = 91,831.68 × 53,141.34
  4. Step 4: Simplify right side
    66,460.26x = 4,880,058,529.65
  5. Step 5: Solve for x
    x = 4,880,058,529.65/66,460.26
  6. Step 6: Final answer
    x = 73,428.22

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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.