Home / 90,052.08-135,159.53-47,967.32

Finding the Fourth Proportional to 90,052.08, 135,159.53 and 47,967.32

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Solution

The fourth proportional to 90,052.08, 135,159.53 and 47,967.32 is: 71,994.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,052.08 : 135,159.53 = 47,967.32 : x
  2. Step 2: Convert to fraction form
    90,052.08/135,159.53 = 47,967.32/x
  3. Step 3: Cross multiply
    90,052.08x = 135,159.53 × 47,967.32
  4. Step 4: Simplify right side
    90,052.08x = 6,483,239,510.93
  5. Step 5: Solve for x
    x = 6,483,239,510.93/90,052.08
  6. Step 6: Final answer
    x = 71,994.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.