Home / 113,684.70-156,885.90-62,699.40

Finding the Fourth Proportional to 113,684.70, 156,885.90 and 62,699.40

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Solution

The fourth proportional to 113,684.70, 156,885.90 and 62,699.40 is: 86,525.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,684.70 : 156,885.90 = 62,699.40 : x
  2. Step 2: Convert to fraction form
    113,684.70/156,885.90 = 62,699.40/x
  3. Step 3: Cross multiply
    113,684.70x = 156,885.90 × 62,699.40
  4. Step 4: Simplify right side
    113,684.70x = 9,836,651,798.46
  5. Step 5: Solve for x
    x = 9,836,651,798.46/113,684.70
  6. Step 6: Final answer
    x = 86,525.73

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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.