Home / 71,417.46-98,554.50-39,586.08

Finding the Fourth Proportional to 71,417.46, 98,554.50 and 39,586.08

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Solution

The fourth proportional to 71,417.46, 98,554.50 and 39,586.08 is: 54,627.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,417.46 : 98,554.50 = 39,586.08 : x
  2. Step 2: Convert to fraction form
    71,417.46/98,554.50 = 39,586.08/x
  3. Step 3: Cross multiply
    71,417.46x = 98,554.50 × 39,586.08
  4. Step 4: Simplify right side
    71,417.46x = 3,901,386,321.36
  5. Step 5: Solve for x
    x = 3,901,386,321.36/71,417.46
  6. Step 6: Final answer
    x = 54,627.91

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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.