Home / 93,272.40-128,712.16-50,830.02

Finding the Fourth Proportional to 93,272.40, 128,712.16 and 50,830.02

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Solution

The fourth proportional to 93,272.40, 128,712.16 and 50,830.02 is: 70,143.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,272.40 : 128,712.16 = 50,830.02 : x
  2. Step 2: Convert to fraction form
    93,272.40/128,712.16 = 50,830.02/x
  3. Step 3: Cross multiply
    93,272.40x = 128,712.16 × 50,830.02
  4. Step 4: Simplify right side
    93,272.40x = 6,542,441,667.04
  5. Step 5: Solve for x
    x = 6,542,441,667.04/93,272.40
  6. Step 6: Final answer
    x = 70,143.38

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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.