Home / 111,368.69-153,688.28-60,381.24

Finding the Fourth Proportional to 111,368.69, 153,688.28 and 60,381.24

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Solution

The fourth proportional to 111,368.69, 153,688.28 and 60,381.24 is: 83,325.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,368.69 : 153,688.28 = 60,381.24 : x
  2. Step 2: Convert to fraction form
    111,368.69/153,688.28 = 60,381.24/x
  3. Step 3: Cross multiply
    111,368.69x = 153,688.28 × 60,381.24
  4. Step 4: Simplify right side
    111,368.69x = 9,279,888,617.96
  5. Step 5: Solve for x
    x = 9,279,888,617.96/111,368.69
  6. Step 6: Final answer
    x = 83,325.83

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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.