Home / 113,639.24-156,823.20-62,653.77

Finding the Fourth Proportional to 113,639.24, 156,823.20 and 62,653.77

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Solution

The fourth proportional to 113,639.24, 156,823.20 and 62,653.77 is: 86,462.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,639.24 : 156,823.20 = 62,653.77 : x
  2. Step 2: Convert to fraction form
    113,639.24/156,823.20 = 62,653.77/x
  3. Step 3: Cross multiply
    113,639.24x = 156,823.20 × 62,653.77
  4. Step 4: Simplify right side
    113,639.24x = 9,825,564,703.46
  5. Step 5: Solve for x
    x = 9,825,564,703.46/113,639.24
  6. Step 6: Final answer
    x = 86,462.78

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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.