Home / 117,832.71-162,608.36-64,117.92

Finding the Fourth Proportional to 117,832.71, 162,608.36 and 64,117.92

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Solution

The fourth proportional to 117,832.71, 162,608.36 and 64,117.92 is: 88,482.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,832.71 : 162,608.36 = 64,117.92 : x
  2. Step 2: Convert to fraction form
    117,832.71/162,608.36 = 64,117.92/x
  3. Step 3: Cross multiply
    117,832.71x = 162,608.36 × 64,117.92
  4. Step 4: Simplify right side
    117,832.71x = 10,426,109,817.81
  5. Step 5: Solve for x
    x = 10,426,109,817.81/117,832.71
  6. Step 6: Final answer
    x = 88,482.31

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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.