Home / 64,132.74-88,503.40-35,838.90

Finding the Fourth Proportional to 64,132.74, 88,503.40 and 35,838.90

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Solution

The fourth proportional to 64,132.74, 88,503.40 and 35,838.90 is: 49,457.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,132.74 : 88,503.40 = 35,838.90 : x
  2. Step 2: Convert to fraction form
    64,132.74/88,503.40 = 35,838.90/x
  3. Step 3: Cross multiply
    64,132.74x = 88,503.40 × 35,838.90
  4. Step 4: Simplify right side
    64,132.74x = 3,171,864,502.26
  5. Step 5: Solve for x
    x = 3,171,864,502.26/64,132.74
  6. Step 6: Final answer
    x = 49,457.80

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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.