Home / 97,397.15-134,369.88-56,554.30

Finding the Fourth Proportional to 97,397.15, 134,369.88 and 56,554.30

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Solution

The fourth proportional to 97,397.15, 134,369.88 and 56,554.30 is: 78,022.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,397.15 : 134,369.88 = 56,554.30 : x
  2. Step 2: Convert to fraction form
    97,397.15/134,369.88 = 56,554.30/x
  3. Step 3: Cross multiply
    97,397.15x = 134,369.88 × 56,554.30
  4. Step 4: Simplify right side
    97,397.15x = 7,599,194,504.48
  5. Step 5: Solve for x
    x = 7,599,194,504.48/97,397.15
  6. Step 6: Final answer
    x = 78,022.76

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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.