Home / 111,572.36-153,970.04-60,585.20

Finding the Fourth Proportional to 111,572.36, 153,970.04 and 60,585.20

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Solution

The fourth proportional to 111,572.36, 153,970.04 and 60,585.20 is: 83,607.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,572.36 : 153,970.04 = 60,585.20 : x
  2. Step 2: Convert to fraction form
    111,572.36/153,970.04 = 60,585.20/x
  3. Step 3: Cross multiply
    111,572.36x = 153,970.04 × 60,585.20
  4. Step 4: Simplify right side
    111,572.36x = 9,328,305,667.41
  5. Step 5: Solve for x
    x = 9,328,305,667.41/111,572.36
  6. Step 6: Final answer
    x = 83,607.68

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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.