Home / 102,320.96-153,503.40-57,968.96

Finding the Fourth Proportional to 102,320.96, 153,503.40 and 57,968.96

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Solution

The fourth proportional to 102,320.96, 153,503.40 and 57,968.96 is: 86,965.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,320.96 : 153,503.40 = 57,968.96 : x
  2. Step 2: Convert to fraction form
    102,320.96/153,503.40 = 57,968.96/x
  3. Step 3: Cross multiply
    102,320.96x = 153,503.40 × 57,968.96
  4. Step 4: Simplify right side
    102,320.96x = 8,898,432,454.46
  5. Step 5: Solve for x
    x = 8,898,432,454.46/102,320.96
  6. Step 6: Final answer
    x = 86,965.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.