Home / 64,430.64-88,915.05-35,750.84

Finding the Fourth Proportional to 64,430.64, 88,915.05 and 35,750.84

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Solution

The fourth proportional to 64,430.64, 88,915.05 and 35,750.84 is: 49,336.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,430.64 : 88,915.05 = 35,750.84 : x
  2. Step 2: Convert to fraction form
    64,430.64/88,915.05 = 35,750.84/x
  3. Step 3: Cross multiply
    64,430.64x = 88,915.05 × 35,750.84
  4. Step 4: Simplify right side
    64,430.64x = 3,178,787,281.57
  5. Step 5: Solve for x
    x = 3,178,787,281.57/64,430.64
  6. Step 6: Final answer
    x = 49,336.58

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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.