Home / 117,755.07-162,500.44-64,038.93

Finding the Fourth Proportional to 117,755.07, 162,500.44 and 64,038.93

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Solution

The fourth proportional to 117,755.07, 162,500.44 and 64,038.93 is: 88,372.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,755.07 : 162,500.44 = 64,038.93 : x
  2. Step 2: Convert to fraction form
    117,755.07/162,500.44 = 64,038.93/x
  3. Step 3: Cross multiply
    117,755.07x = 162,500.44 × 64,038.93
  4. Step 4: Simplify right side
    117,755.07x = 10,406,354,548.28
  5. Step 5: Solve for x
    x = 10,406,354,548.28/117,755.07
  6. Step 6: Final answer
    x = 88,372.88

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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.