Home / 71,402.01-98,533.26-39,570.63

Finding the Fourth Proportional to 71,402.01, 98,533.26 and 39,570.63

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Solution

The fourth proportional to 71,402.01, 98,533.26 and 39,570.63 is: 54,606.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,402.01 : 98,533.26 = 39,570.63 : x
  2. Step 2: Convert to fraction form
    71,402.01/98,533.26 = 39,570.63/x
  3. Step 3: Cross multiply
    71,402.01x = 98,533.26 × 39,570.63
  4. Step 4: Simplify right side
    71,402.01x = 3,899,023,174.15
  5. Step 5: Solve for x
    x = 3,899,023,174.15/71,402.01
  6. Step 6: Final answer
    x = 54,606.63

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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.