Home / 93,435.39-128,921.13-59,431.50

Finding the Fourth Proportional to 93,435.39, 128,921.13 and 59,431.50

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Solution

The fourth proportional to 93,435.39, 128,921.13 and 59,431.50 is: 82,002.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,435.39 : 128,921.13 = 59,431.50 : x
  2. Step 2: Convert to fraction form
    93,435.39/128,921.13 = 59,431.50/x
  3. Step 3: Cross multiply
    93,435.39x = 128,921.13 × 59,431.50
  4. Step 4: Simplify right side
    93,435.39x = 7,661,976,137.60
  5. Step 5: Solve for x
    x = 7,661,976,137.60/93,435.39
  6. Step 6: Final answer
    x = 82,002.93

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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.