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Finding the Fourth Proportional to 64,434.96, 88,920.73 and 35,754.74

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Solution

The fourth proportional to 64,434.96, 88,920.73 and 35,754.74 is: 49,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,434.96 : 88,920.73 = 35,754.74 : x
  2. Step 2: Convert to fraction form
    64,434.96/88,920.73 = 35,754.74/x
  3. Step 3: Cross multiply
    64,434.96x = 88,920.73 × 35,754.74
  4. Step 4: Simplify right side
    64,434.96x = 3,179,337,137.16
  5. Step 5: Solve for x
    x = 3,179,337,137.16/64,434.96
  6. Step 6: Final answer
    x = 49,341.80

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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.