Home / 97,442.85-134,506.88-57,190.35

Finding the Fourth Proportional to 97,442.85, 134,506.88 and 57,190.35

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Solution

The fourth proportional to 97,442.85, 134,506.88 and 57,190.35 is: 78,943.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,442.85 : 134,506.88 = 57,190.35 : x
  2. Step 2: Convert to fraction form
    97,442.85/134,506.88 = 57,190.35/x
  3. Step 3: Cross multiply
    97,442.85x = 134,506.88 × 57,190.35
  4. Step 4: Simplify right side
    97,442.85x = 7,692,495,977.52
  5. Step 5: Solve for x
    x = 7,692,495,977.52/97,442.85
  6. Step 6: Final answer
    x = 78,943.67

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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.