Home / 70,729.17-97,611.11-38,898.06

Finding the Fourth Proportional to 70,729.17, 97,611.11 and 38,898.06

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Solution

The fourth proportional to 70,729.17, 97,611.11 and 38,898.06 is: 53,681.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,729.17 : 97,611.11 = 38,898.06 : x
  2. Step 2: Convert to fraction form
    70,729.17/97,611.11 = 38,898.06/x
  3. Step 3: Cross multiply
    70,729.17x = 97,611.11 × 38,898.06
  4. Step 4: Simplify right side
    70,729.17x = 3,796,882,813.45
  5. Step 5: Solve for x
    x = 3,796,882,813.45/70,729.17
  6. Step 6: Final answer
    x = 53,681.99

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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.