Home / 108,928.60-163,271.40-42,346.60

Finding the Fourth Proportional to 108,928.60, 163,271.40 and 42,346.60

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Solution

The fourth proportional to 108,928.60, 163,271.40 and 42,346.60 is: 63,472.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,928.60 : 163,271.40 = 42,346.60 : x
  2. Step 2: Convert to fraction form
    108,928.60/163,271.40 = 42,346.60/x
  3. Step 3: Cross multiply
    108,928.60x = 163,271.40 × 42,346.60
  4. Step 4: Simplify right side
    108,928.60x = 6,913,988,667.24
  5. Step 5: Solve for x
    x = 6,913,988,667.24/108,928.60
  6. Step 6: Final answer
    x = 63,472.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.