Home / 74,196.60-102,398.64-42,370.32

Finding the Fourth Proportional to 74,196.60, 102,398.64 and 42,370.32

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Solution

The fourth proportional to 74,196.60, 102,398.64 and 42,370.32 is: 58,475.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,196.60 : 102,398.64 = 42,370.32 : x
  2. Step 2: Convert to fraction form
    74,196.60/102,398.64 = 42,370.32/x
  3. Step 3: Cross multiply
    74,196.60x = 102,398.64 × 42,370.32
  4. Step 4: Simplify right side
    74,196.60x = 4,338,663,144.36
  5. Step 5: Solve for x
    x = 4,338,663,144.36/74,196.60
  6. Step 6: Final answer
    x = 58,475.23

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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.