Home / 93,087.15-128,461.58-50,645.71

Finding the Fourth Proportional to 93,087.15, 128,461.58 and 50,645.71

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Solution

The fourth proportional to 93,087.15, 128,461.58 and 50,645.71 is: 69,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,087.15 : 128,461.58 = 50,645.71 : x
  2. Step 2: Convert to fraction form
    93,087.15/128,461.58 = 50,645.71/x
  3. Step 3: Cross multiply
    93,087.15x = 128,461.58 × 50,645.71
  4. Step 4: Simplify right side
    93,087.15x = 6,506,027,673.59
  5. Step 5: Solve for x
    x = 6,506,027,673.59/93,087.15
  6. Step 6: Final answer
    x = 69,891.80

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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.