Home / 90,529.65-125,052.66-69,570.90

Finding the Fourth Proportional to 90,529.65, 125,052.66 and 69,570.90

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Solution

The fourth proportional to 90,529.65, 125,052.66 and 69,570.90 is: 96,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,529.65 : 125,052.66 = 69,570.90 : x
  2. Step 2: Convert to fraction form
    90,529.65/125,052.66 = 69,570.90/x
  3. Step 3: Cross multiply
    90,529.65x = 125,052.66 × 69,570.90
  4. Step 4: Simplify right side
    90,529.65x = 8,700,026,103.59
  5. Step 5: Solve for x
    x = 8,700,026,103.59/90,529.65
  6. Step 6: Final answer
    x = 96,101.40

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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.