Home / 113,416.57-156,515.42-62,434.40

Finding the Fourth Proportional to 113,416.57, 156,515.42 and 62,434.40

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Solution

The fourth proportional to 113,416.57, 156,515.42 and 62,434.40 is: 86,159.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,416.57 : 156,515.42 = 62,434.40 : x
  2. Step 2: Convert to fraction form
    113,416.57/156,515.42 = 62,434.40/x
  3. Step 3: Cross multiply
    113,416.57x = 156,515.42 × 62,434.40
  4. Step 4: Simplify right side
    113,416.57x = 9,771,946,885.82
  5. Step 5: Solve for x
    x = 9,771,946,885.82/113,416.57
  6. Step 6: Final answer
    x = 86,159.78

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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.