Home / 70,232.16-96,916.80-38,394.88

Finding the Fourth Proportional to 70,232.16, 96,916.80 and 38,394.88

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Solution

The fourth proportional to 70,232.16, 96,916.80 and 38,394.88 is: 52,982.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,232.16 : 96,916.80 = 38,394.88 : x
  2. Step 2: Convert to fraction form
    70,232.16/96,916.80 = 38,394.88/x
  3. Step 3: Cross multiply
    70,232.16x = 96,916.80 × 38,394.88
  4. Step 4: Simplify right side
    70,232.16x = 3,721,108,905.98
  5. Step 5: Solve for x
    x = 3,721,108,905.98/70,232.16
  6. Step 6: Final answer
    x = 52,982.98

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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.