Home / 113,749.45-156,975.86-62,764.40

Finding the Fourth Proportional to 113,749.45, 156,975.86 and 62,764.40

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Solution

The fourth proportional to 113,749.45, 156,975.86 and 62,764.40 is: 86,615.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,749.45 : 156,975.86 = 62,764.40 : x
  2. Step 2: Convert to fraction form
    113,749.45/156,975.86 = 62,764.40/x
  3. Step 3: Cross multiply
    113,749.45x = 156,975.86 × 62,764.40
  4. Step 4: Simplify right side
    113,749.45x = 9,852,495,667.38
  5. Step 5: Solve for x
    x = 9,852,495,667.38/113,749.45
  6. Step 6: Final answer
    x = 86,615.77

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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.