Home / 93,002.88-128,346.56-50,564.32

Finding the Fourth Proportional to 93,002.88, 128,346.56 and 50,564.32

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Solution

The fourth proportional to 93,002.88, 128,346.56 and 50,564.32 is: 69,780.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,002.88 : 128,346.56 = 50,564.32 : x
  2. Step 2: Convert to fraction form
    93,002.88/128,346.56 = 50,564.32/x
  3. Step 3: Cross multiply
    93,002.88x = 128,346.56 × 50,564.32
  4. Step 4: Simplify right side
    93,002.88x = 6,489,756,530.74
  5. Step 5: Solve for x
    x = 6,489,756,530.74/93,002.88
  6. Step 6: Final answer
    x = 69,780.17

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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.