Home / 71,386.32-98,511.66-39,554.94

Finding the Fourth Proportional to 71,386.32, 98,511.66 and 39,554.94

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Solution

The fourth proportional to 71,386.32, 98,511.66 and 39,554.94 is: 54,585.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,386.32 : 98,511.66 = 39,554.94 : x
  2. Step 2: Convert to fraction form
    71,386.32/98,511.66 = 39,554.94/x
  3. Step 3: Cross multiply
    71,386.32x = 98,511.66 × 39,554.94
  4. Step 4: Simplify right side
    71,386.32x = 3,896,622,849.10
  5. Step 5: Solve for x
    x = 3,896,622,849.10/71,386.32
  6. Step 6: Final answer
    x = 54,585.01

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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.