Home / 117,701.02-162,423.96-66,718.45

Finding the Fourth Proportional to 117,701.02, 162,423.96 and 66,718.45

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Solution

The fourth proportional to 117,701.02, 162,423.96 and 66,718.45 is: 92,069.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,701.02 : 162,423.96 = 66,718.45 : x
  2. Step 2: Convert to fraction form
    117,701.02/162,423.96 = 66,718.45/x
  3. Step 3: Cross multiply
    117,701.02x = 162,423.96 × 66,718.45
  4. Step 4: Simplify right side
    117,701.02x = 10,836,674,854.06
  5. Step 5: Solve for x
    x = 10,836,674,854.06/117,701.02
  6. Step 6: Final answer
    x = 92,069.51

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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.