Home / 63,011.96-86,969.06-36,172.60

Finding the Fourth Proportional to 63,011.96, 86,969.06 and 36,172.60

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Solution

The fourth proportional to 63,011.96, 86,969.06 and 36,172.60 is: 49,925.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,011.96 : 86,969.06 = 36,172.60 : x
  2. Step 2: Convert to fraction form
    63,011.96/86,969.06 = 36,172.60/x
  3. Step 3: Cross multiply
    63,011.96x = 86,969.06 × 36,172.60
  4. Step 4: Simplify right side
    63,011.96x = 3,145,897,019.76
  5. Step 5: Solve for x
    x = 3,145,897,019.76/63,011.96
  6. Step 6: Final answer
    x = 49,925.40

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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.