Home / 71,077.44-98,088.40-39,248.36

Finding the Fourth Proportional to 71,077.44, 98,088.40 and 39,248.36

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Solution

The fourth proportional to 71,077.44, 98,088.40 and 39,248.36 is: 54,163.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,077.44 : 98,088.40 = 39,248.36 : x
  2. Step 2: Convert to fraction form
    71,077.44/98,088.40 = 39,248.36/x
  3. Step 3: Cross multiply
    71,077.44x = 98,088.40 × 39,248.36
  4. Step 4: Simplify right side
    71,077.44x = 3,849,808,835.02
  5. Step 5: Solve for x
    x = 3,849,808,835.02/71,077.44
  6. Step 6: Final answer
    x = 54,163.58

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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.