Home / 74,316.23-102,556.48-42,485.82

Finding the Fourth Proportional to 74,316.23, 102,556.48 and 42,485.82

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Solution

The fourth proportional to 74,316.23, 102,556.48 and 42,485.82 is: 58,630.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,316.23 : 102,556.48 = 42,485.82 : x
  2. Step 2: Convert to fraction form
    74,316.23/102,556.48 = 42,485.82/x
  3. Step 3: Cross multiply
    74,316.23x = 102,556.48 × 42,485.82
  4. Step 4: Simplify right side
    74,316.23x = 4,357,195,737.97
  5. Step 5: Solve for x
    x = 4,357,195,737.97/74,316.23
  6. Step 6: Final answer
    x = 58,630.47

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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.