Home / 91,525.32-126,307.08-51,238.08

Finding the Fourth Proportional to 91,525.32, 126,307.08 and 51,238.08

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Solution

The fourth proportional to 91,525.32, 126,307.08 and 51,238.08 is: 70,709.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,525.32 : 126,307.08 = 51,238.08 : x
  2. Step 2: Convert to fraction form
    91,525.32/126,307.08 = 51,238.08/x
  3. Step 3: Cross multiply
    91,525.32x = 126,307.08 × 51,238.08
  4. Step 4: Simplify right side
    91,525.32x = 6,471,732,269.61
  5. Step 5: Solve for x
    x = 6,471,732,269.61/91,525.32
  6. Step 6: Final answer
    x = 70,709.75

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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.