Home / 105,316.01-158,013.47-54,683.45

Finding the Fourth Proportional to 105,316.01, 158,013.47 and 54,683.45

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Solution

The fourth proportional to 105,316.01, 158,013.47 and 54,683.45 is: 82,045.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,316.01 : 158,013.47 = 54,683.45 : x
  2. Step 2: Convert to fraction form
    105,316.01/158,013.47 = 54,683.45/x
  3. Step 3: Cross multiply
    105,316.01x = 158,013.47 × 54,683.45
  4. Step 4: Simplify right side
    105,316.01x = 8,640,720,622.59
  5. Step 5: Solve for x
    x = 8,640,720,622.59/105,316.01
  6. Step 6: Final answer
    x = 82,045.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.