Home / 50,935.15-70,314.06-30,526.91

Finding the Fourth Proportional to 50,935.15, 70,314.06 and 30,526.91

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Solution

The fourth proportional to 50,935.15, 70,314.06 and 30,526.91 is: 42,141.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,935.15 : 70,314.06 = 30,526.91 : x
  2. Step 2: Convert to fraction form
    50,935.15/70,314.06 = 30,526.91/x
  3. Step 3: Cross multiply
    50,935.15x = 70,314.06 × 30,526.91
  4. Step 4: Simplify right side
    50,935.15x = 2,146,471,261.65
  5. Step 5: Solve for x
    x = 2,146,471,261.65/50,935.15
  6. Step 6: Final answer
    x = 42,141.25

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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.