Home / 71,026.40-98,014.08-39,195.32

Finding the Fourth Proportional to 71,026.40, 98,014.08 and 39,195.32

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Solution

The fourth proportional to 71,026.40, 98,014.08 and 39,195.32 is: 54,088.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,026.40 : 98,014.08 = 39,195.32 : x
  2. Step 2: Convert to fraction form
    71,026.40/98,014.08 = 39,195.32/x
  3. Step 3: Cross multiply
    71,026.40x = 98,014.08 × 39,195.32
  4. Step 4: Simplify right side
    71,026.40x = 3,841,693,230.11
  5. Step 5: Solve for x
    x = 3,841,693,230.11/71,026.40
  6. Step 6: Final answer
    x = 54,088.24

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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.