Home / 74,618.23-102,967.96-42,353.51

Finding the Fourth Proportional to 74,618.23, 102,967.96 and 42,353.51

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Solution

The fourth proportional to 74,618.23, 102,967.96 and 42,353.51 is: 58,444.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,618.23 : 102,967.96 = 42,353.51 : x
  2. Step 2: Convert to fraction form
    74,618.23/102,967.96 = 42,353.51/x
  3. Step 3: Cross multiply
    74,618.23x = 102,967.96 × 42,353.51
  4. Step 4: Simplify right side
    74,618.23x = 4,361,053,902.82
  5. Step 5: Solve for x
    x = 4,361,053,902.82/74,618.23
  6. Step 6: Final answer
    x = 58,444.89

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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.