Home / 71,386.04-98,512.56-39,554.60

Finding the Fourth Proportional to 71,386.04, 98,512.56 and 39,554.60

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Solution

The fourth proportional to 71,386.04, 98,512.56 and 39,554.60 is: 54,585.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,386.04 : 98,512.56 = 39,554.60 : x
  2. Step 2: Convert to fraction form
    71,386.04/98,512.56 = 39,554.60/x
  3. Step 3: Cross multiply
    71,386.04x = 98,512.56 × 39,554.60
  4. Step 4: Simplify right side
    71,386.04x = 3,896,624,905.78
  5. Step 5: Solve for x
    x = 3,896,624,905.78/71,386.04
  6. Step 6: Final answer
    x = 54,585.25

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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.