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Finding the Fourth Proportional to 64,307.98, 88,744.62 and 36,013.60

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Solution

The fourth proportional to 64,307.98, 88,744.62 and 36,013.60 is: 49,698.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,307.98 : 88,744.62 = 36,013.60 : x
  2. Step 2: Convert to fraction form
    64,307.98/88,744.62 = 36,013.60/x
  3. Step 3: Cross multiply
    64,307.98x = 88,744.62 × 36,013.60
  4. Step 4: Simplify right side
    64,307.98x = 3,196,013,246.83
  5. Step 5: Solve for x
    x = 3,196,013,246.83/64,307.98
  6. Step 6: Final answer
    x = 49,698.55

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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.