Home / 117,492.48-162,142.47-63,777.33

Finding the Fourth Proportional to 117,492.48, 162,142.47 and 63,777.33

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Solution

The fourth proportional to 117,492.48, 162,142.47 and 63,777.33 is: 88,014.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,492.48 : 162,142.47 = 63,777.33 : x
  2. Step 2: Convert to fraction form
    117,492.48/162,142.47 = 63,777.33/x
  3. Step 3: Cross multiply
    117,492.48x = 162,142.47 × 63,777.33
  4. Step 4: Simplify right side
    117,492.48x = 10,341,013,816.21
  5. Step 5: Solve for x
    x = 10,341,013,816.21/117,492.48
  6. Step 6: Final answer
    x = 88,014.26

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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.