Home / 117,670.32-162,385.05-63,955.17

Finding the Fourth Proportional to 117,670.32, 162,385.05 and 63,955.17

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Solution

The fourth proportional to 117,670.32, 162,385.05 and 63,955.17 is: 88,258.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,670.32 : 162,385.05 = 63,955.17 : x
  2. Step 2: Convert to fraction form
    117,670.32/162,385.05 = 63,955.17/x
  3. Step 3: Cross multiply
    117,670.32x = 162,385.05 × 63,955.17
  4. Step 4: Simplify right side
    117,670.32x = 10,385,363,718.04
  5. Step 5: Solve for x
    x = 10,385,363,718.04/117,670.32
  6. Step 6: Final answer
    x = 88,258.14

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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.