Home / 74,743.35-103,038.66-58,800.12

Finding the Fourth Proportional to 74,743.35, 103,038.66 and 58,800.12

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Solution

The fourth proportional to 74,743.35, 103,038.66 and 58,800.12 is: 81,059.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,743.35 : 103,038.66 = 58,800.12 : x
  2. Step 2: Convert to fraction form
    74,743.35/103,038.66 = 58,800.12/x
  3. Step 3: Cross multiply
    74,743.35x = 103,038.66 × 58,800.12
  4. Step 4: Simplify right side
    74,743.35x = 6,058,685,572.64
  5. Step 5: Solve for x
    x = 6,058,685,572.64/74,743.35
  6. Step 6: Final answer
    x = 81,059.86

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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.