Home / 93,011.36-128,366.76-55,285.76

Finding the Fourth Proportional to 93,011.36, 128,366.76 and 55,285.76

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Solution

The fourth proportional to 93,011.36, 128,366.76 and 55,285.76 is: 76,300.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,011.36 : 128,366.76 = 55,285.76 : x
  2. Step 2: Convert to fraction form
    93,011.36/128,366.76 = 55,285.76/x
  3. Step 3: Cross multiply
    93,011.36x = 128,366.76 × 55,285.76
  4. Step 4: Simplify right side
    93,011.36x = 7,096,853,885.34
  5. Step 5: Solve for x
    x = 7,096,853,885.34/93,011.36
  6. Step 6: Final answer
    x = 76,300.94

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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.