Home / 45,800.12-63,213.38-31,303.01

Finding the Fourth Proportional to 45,800.12, 63,213.38 and 31,303.01

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Solution

The fourth proportional to 45,800.12, 63,213.38 and 31,303.01 is: 43,204.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,800.12 : 63,213.38 = 31,303.01 : x
  2. Step 2: Convert to fraction form
    45,800.12/63,213.38 = 31,303.01/x
  3. Step 3: Cross multiply
    45,800.12x = 63,213.38 × 31,303.01
  4. Step 4: Simplify right side
    45,800.12x = 1,978,768,909.76
  5. Step 5: Solve for x
    x = 1,978,768,909.76/45,800.12
  6. Step 6: Final answer
    x = 43,204.45

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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.