Home / 64,973.64-89,664.37-38,116.61

Finding the Fourth Proportional to 64,973.64, 89,664.37 and 38,116.61

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Solution

The fourth proportional to 64,973.64, 89,664.37 and 38,116.61 is: 52,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,973.64 : 89,664.37 = 38,116.61 : x
  2. Step 2: Convert to fraction form
    64,973.64/89,664.37 = 38,116.61/x
  3. Step 3: Cross multiply
    64,973.64x = 89,664.37 × 38,116.61
  4. Step 4: Simplify right side
    64,973.64x = 3,417,701,469.16
  5. Step 5: Solve for x
    x = 3,417,701,469.16/64,973.64
  6. Step 6: Final answer
    x = 52,601.35

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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.