Home / 63,437.12-87,561.28-38,288.24

Finding the Fourth Proportional to 63,437.12, 87,561.28 and 38,288.24

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Solution

The fourth proportional to 63,437.12, 87,561.28 and 38,288.24 is: 52,848.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,437.12 : 87,561.28 = 38,288.24 : x
  2. Step 2: Convert to fraction form
    63,437.12/87,561.28 = 38,288.24/x
  3. Step 3: Cross multiply
    63,437.12x = 87,561.28 × 38,288.24
  4. Step 4: Simplify right side
    63,437.12x = 3,352,567,303.35
  5. Step 5: Solve for x
    x = 3,352,567,303.35/63,437.12
  6. Step 6: Final answer
    x = 52,848.67

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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.