Home / 96,703.92-133,461-64,938.96

Finding the Fourth Proportional to 96,703.92, 133,461 and 64,938.96

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Solution

The fourth proportional to 96,703.92, 133,461 and 64,938.96 is: 89,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,703.92 : 133,461 = 64,938.96 : x
  2. Step 2: Convert to fraction form
    96,703.92/133,461 = 64,938.96/x
  3. Step 3: Cross multiply
    96,703.92x = 133,461 × 64,938.96
  4. Step 4: Simplify right side
    96,703.92x = 8,666,818,540.56
  5. Step 5: Solve for x
    x = 8,666,818,540.56/96,703.92
  6. Step 6: Final answer
    x = 89,622.20

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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.