Home / 61,100.23-84,259.26-42,945.10

Finding the Fourth Proportional to 61,100.23, 84,259.26 and 42,945.10

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Solution

The fourth proportional to 61,100.23, 84,259.26 and 42,945.10 is: 59,222.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,100.23 : 84,259.26 = 42,945.10 : x
  2. Step 2: Convert to fraction form
    61,100.23/84,259.26 = 42,945.10/x
  3. Step 3: Cross multiply
    61,100.23x = 84,259.26 × 42,945.10
  4. Step 4: Simplify right side
    61,100.23x = 3,618,522,346.63
  5. Step 5: Solve for x
    x = 3,618,522,346.63/61,100.23
  6. Step 6: Final answer
    x = 59,222.73

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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.