Home / 70,885.06-97,820.16-39,056.92

Finding the Fourth Proportional to 70,885.06, 97,820.16 and 39,056.92

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Solution

The fourth proportional to 70,885.06, 97,820.16 and 39,056.92 is: 53,897.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,885.06 : 97,820.16 = 39,056.92 : x
  2. Step 2: Convert to fraction form
    70,885.06/97,820.16 = 39,056.92/x
  3. Step 3: Cross multiply
    70,885.06x = 97,820.16 × 39,056.92
  4. Step 4: Simplify right side
    70,885.06x = 3,820,554,163.51
  5. Step 5: Solve for x
    x = 3,820,554,163.51/70,885.06
  6. Step 6: Final answer
    x = 53,897.88

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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.