Home / 97,161.56-134,116.50-56,888.25

Finding the Fourth Proportional to 97,161.56, 134,116.50 and 56,888.25

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Solution

The fourth proportional to 97,161.56, 134,116.50 and 56,888.25 is: 78,525.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,161.56 : 134,116.50 = 56,888.25 : x
  2. Step 2: Convert to fraction form
    97,161.56/134,116.50 = 56,888.25/x
  3. Step 3: Cross multiply
    97,161.56x = 134,116.50 × 56,888.25
  4. Step 4: Simplify right side
    97,161.56x = 7,629,652,981.13
  5. Step 5: Solve for x
    x = 7,629,652,981.13/97,161.56
  6. Step 6: Final answer
    x = 78,525.43

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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.