Home / 74,167.58-102,358.60-42,341.28

Finding the Fourth Proportional to 74,167.58, 102,358.60 and 42,341.28

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Solution

The fourth proportional to 74,167.58, 102,358.60 and 42,341.28 is: 58,435.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,167.58 : 102,358.60 = 42,341.28 : x
  2. Step 2: Convert to fraction form
    74,167.58/102,358.60 = 42,341.28/x
  3. Step 3: Cross multiply
    74,167.58x = 102,358.60 × 42,341.28
  4. Step 4: Simplify right side
    74,167.58x = 4,333,994,143.01
  5. Step 5: Solve for x
    x = 4,333,994,143.01/74,167.58
  6. Step 6: Final answer
    x = 58,435.16

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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.