Home / 93,019.66-128,322.03-55,267.18

Finding the Fourth Proportional to 93,019.66, 128,322.03 and 55,267.18

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Solution

The fourth proportional to 93,019.66, 128,322.03 and 55,267.18 is: 76,241.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,019.66 : 128,322.03 = 55,267.18 : x
  2. Step 2: Convert to fraction form
    93,019.66/128,322.03 = 55,267.18/x
  3. Step 3: Cross multiply
    93,019.66x = 128,322.03 × 55,267.18
  4. Step 4: Simplify right side
    93,019.66x = 7,091,996,729.98
  5. Step 5: Solve for x
    x = 7,091,996,729.98/93,019.66
  6. Step 6: Final answer
    x = 76,241.91

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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.