Home / 74,875.16-103,327.12-40,883.56

Finding the Fourth Proportional to 74,875.16, 103,327.12 and 40,883.56

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Solution

The fourth proportional to 74,875.16, 103,327.12 and 40,883.56 is: 56,418.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,875.16 : 103,327.12 = 40,883.56 : x
  2. Step 2: Convert to fraction form
    74,875.16/103,327.12 = 40,883.56/x
  3. Step 3: Cross multiply
    74,875.16x = 103,327.12 × 40,883.56
  4. Step 4: Simplify right side
    74,875.16x = 4,224,380,510.15
  5. Step 5: Solve for x
    x = 4,224,380,510.15/74,875.16
  6. Step 6: Final answer
    x = 56,418.98

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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.