Home / 96,938.34-133,876.88-86,371.68

Finding the Fourth Proportional to 96,938.34, 133,876.88 and 86,371.68

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Solution

The fourth proportional to 96,938.34, 133,876.88 and 86,371.68 is: 119,283.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,938.34 : 133,876.88 = 86,371.68 : x
  2. Step 2: Convert to fraction form
    96,938.34/133,876.88 = 86,371.68/x
  3. Step 3: Cross multiply
    96,938.34x = 133,876.88 × 86,371.68
  4. Step 4: Simplify right side
    96,938.34x = 11,563,171,038.76
  5. Step 5: Solve for x
    x = 11,563,171,038.76/96,938.34
  6. Step 6: Final answer
    x = 119,283.77

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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.