Home / 93,424.27-128,867.87-66,575.40

Finding the Fourth Proportional to 93,424.27, 128,867.87 and 66,575.40

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Solution

The fourth proportional to 93,424.27, 128,867.87 and 66,575.40 is: 91,832.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,424.27 : 128,867.87 = 66,575.40 : x
  2. Step 2: Convert to fraction form
    93,424.27/128,867.87 = 66,575.40/x
  3. Step 3: Cross multiply
    93,424.27x = 128,867.87 × 66,575.40
  4. Step 4: Simplify right side
    93,424.27x = 8,579,430,158.84
  5. Step 5: Solve for x
    x = 8,579,430,158.84/93,424.27
  6. Step 6: Final answer
    x = 91,832.99

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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.