Home / 68,335.78-94,303.53-38,120.35

Finding the Fourth Proportional to 68,335.78, 94,303.53 and 38,120.35

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Solution

The fourth proportional to 68,335.78, 94,303.53 and 38,120.35 is: 52,606.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,335.78 : 94,303.53 = 38,120.35 : x
  2. Step 2: Convert to fraction form
    68,335.78/94,303.53 = 38,120.35/x
  3. Step 3: Cross multiply
    68,335.78x = 94,303.53 × 38,120.35
  4. Step 4: Simplify right side
    68,335.78x = 3,594,883,569.84
  5. Step 5: Solve for x
    x = 3,594,883,569.84/68,335.78
  6. Step 6: Final answer
    x = 52,606.17

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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.