Home / 117,929.34-162,715.50-66,929.58

Finding the Fourth Proportional to 117,929.34, 162,715.50 and 66,929.58

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Solution

The fourth proportional to 117,929.34, 162,715.50 and 66,929.58 is: 92,347.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,929.34 : 162,715.50 = 66,929.58 : x
  2. Step 2: Convert to fraction form
    117,929.34/162,715.50 = 66,929.58/x
  3. Step 3: Cross multiply
    117,929.34x = 162,715.50 × 66,929.58
  4. Step 4: Simplify right side
    117,929.34x = 10,890,480,074.49
  5. Step 5: Solve for x
    x = 10,890,480,074.49/117,929.34
  6. Step 6: Final answer
    x = 92,347.50

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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.