Home / 82,358.34-122,934.77-70,746.18

Finding the Fourth Proportional to 82,358.34, 122,934.77 and 70,746.18

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Solution

The fourth proportional to 82,358.34, 122,934.77 and 70,746.18 is: 105,601.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,358.34 : 122,934.77 = 70,746.18 : x
  2. Step 2: Convert to fraction form
    82,358.34/122,934.77 = 70,746.18/x
  3. Step 3: Cross multiply
    82,358.34x = 122,934.77 × 70,746.18
  4. Step 4: Simplify right side
    82,358.34x = 8,697,165,012.95
  5. Step 5: Solve for x
    x = 8,697,165,012.95/82,358.34
  6. Step 6: Final answer
    x = 105,601.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.