Home / 90,936.63-125,492.81-52,703.60

Finding the Fourth Proportional to 90,936.63, 125,492.81 and 52,703.60

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Solution

The fourth proportional to 90,936.63, 125,492.81 and 52,703.60 is: 72,731.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,936.63 : 125,492.81 = 52,703.60 : x
  2. Step 2: Convert to fraction form
    90,936.63/125,492.81 = 52,703.60/x
  3. Step 3: Cross multiply
    90,936.63x = 125,492.81 × 52,703.60
  4. Step 4: Simplify right side
    90,936.63x = 6,613,922,861.12
  5. Step 5: Solve for x
    x = 6,613,922,861.12/90,936.63
  6. Step 6: Final answer
    x = 72,731.12

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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.