Home / 74,295.31-102,534.60-42,458.04

Finding the Fourth Proportional to 74,295.31, 102,534.60 and 42,458.04

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Solution

The fourth proportional to 74,295.31, 102,534.60 and 42,458.04 is: 58,596.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,295.31 : 102,534.60 = 42,458.04 : x
  2. Step 2: Convert to fraction form
    74,295.31/102,534.60 = 42,458.04/x
  3. Step 3: Cross multiply
    74,295.31x = 102,534.60 × 42,458.04
  4. Step 4: Simplify right side
    74,295.31x = 4,353,417,635.51
  5. Step 5: Solve for x
    x = 4,353,417,635.51/74,295.31
  6. Step 6: Final answer
    x = 58,596.13

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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.