Home / 93,774.40-129,469.04-83,685.52

Finding the Fourth Proportional to 93,774.40, 129,469.04 and 83,685.52

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Solution

The fourth proportional to 93,774.40, 129,469.04 and 83,685.52 is: 115,539.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,774.40 : 129,469.04 = 83,685.52 : x
  2. Step 2: Convert to fraction form
    93,774.40/129,469.04 = 83,685.52/x
  3. Step 3: Cross multiply
    93,774.40x = 129,469.04 × 83,685.52
  4. Step 4: Simplify right side
    93,774.40x = 10,834,683,936.30
  5. Step 5: Solve for x
    x = 10,834,683,936.30/93,774.40
  6. Step 6: Final answer
    x = 115,539.89

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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.