Home / 63,032.40-86,983.74-34,739.12

Finding the Fourth Proportional to 63,032.40, 86,983.74 and 34,739.12

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Solution

The fourth proportional to 63,032.40, 86,983.74 and 34,739.12 is: 47,939.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,032.40 : 86,983.74 = 34,739.12 : x
  2. Step 2: Convert to fraction form
    63,032.40/86,983.74 = 34,739.12/x
  3. Step 3: Cross multiply
    63,032.40x = 86,983.74 × 34,739.12
  4. Step 4: Simplify right side
    63,032.40x = 3,021,738,581.91
  5. Step 5: Solve for x
    x = 3,021,738,581.91/63,032.40
  6. Step 6: Final answer
    x = 47,939.45

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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.