Home / 111,529.51-153,905.46-60,541.09

Finding the Fourth Proportional to 111,529.51, 153,905.46 and 60,541.09

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Solution

The fourth proportional to 111,529.51, 153,905.46 and 60,541.09 is: 83,543.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,529.51 : 153,905.46 = 60,541.09 : x
  2. Step 2: Convert to fraction form
    111,529.51/153,905.46 = 60,541.09/x
  3. Step 3: Cross multiply
    111,529.51x = 153,905.46 × 60,541.09
  4. Step 4: Simplify right side
    111,529.51x = 9,317,604,305.35
  5. Step 5: Solve for x
    x = 9,317,604,305.35/111,529.51
  6. Step 6: Final answer
    x = 83,543.85

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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.