Home / 113,615.84-156,790.96-62,630.40

Finding the Fourth Proportional to 113,615.84, 156,790.96 and 62,630.40

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Solution

The fourth proportional to 113,615.84, 156,790.96 and 62,630.40 is: 86,430.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,615.84 : 156,790.96 = 62,630.40 : x
  2. Step 2: Convert to fraction form
    113,615.84/156,790.96 = 62,630.40/x
  3. Step 3: Cross multiply
    113,615.84x = 156,790.96 × 62,630.40
  4. Step 4: Simplify right side
    113,615.84x = 9,819,880,541.18
  5. Step 5: Solve for x
    x = 9,819,880,541.18/113,615.84
  6. Step 6: Final answer
    x = 86,430.56

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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.