Home / 111,356.63-153,672.18-60,369.35

Finding the Fourth Proportional to 111,356.63, 153,672.18 and 60,369.35

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Solution

The fourth proportional to 111,356.63, 153,672.18 and 60,369.35 is: 83,309.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,356.63 : 153,672.18 = 60,369.35 : x
  2. Step 2: Convert to fraction form
    111,356.63/153,672.18 = 60,369.35/x
  3. Step 3: Cross multiply
    111,356.63x = 153,672.18 × 60,369.35
  4. Step 4: Simplify right side
    111,356.63x = 9,277,089,077.71
  5. Step 5: Solve for x
    x = 9,277,089,077.71/111,356.63
  6. Step 6: Final answer
    x = 83,309.72

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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.