Home / 74,875.97-103,333.05-40,887.62

Finding the Fourth Proportional to 74,875.97, 103,333.05 and 40,887.62

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Solution

The fourth proportional to 74,875.97, 103,333.05 and 40,887.62 is: 56,427.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,875.97 : 103,333.05 = 40,887.62 : x
  2. Step 2: Convert to fraction form
    74,875.97/103,333.05 = 40,887.62/x
  3. Step 3: Cross multiply
    74,875.97x = 103,333.05 × 40,887.62
  4. Step 4: Simplify right side
    74,875.97x = 4,225,042,277.40
  5. Step 5: Solve for x
    x = 4,225,042,277.40/74,875.97
  6. Step 6: Final answer
    x = 56,427.21

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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.