Home / 68,225.16-94,157.64-38,015.40

Finding the Fourth Proportional to 68,225.16, 94,157.64 and 38,015.40

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Solution

The fourth proportional to 68,225.16, 94,157.64 and 38,015.40 is: 52,465.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,225.16 : 94,157.64 = 38,015.40 : x
  2. Step 2: Convert to fraction form
    68,225.16/94,157.64 = 38,015.40/x
  3. Step 3: Cross multiply
    68,225.16x = 94,157.64 × 38,015.40
  4. Step 4: Simplify right side
    68,225.16x = 3,579,440,347.66
  5. Step 5: Solve for x
    x = 3,579,440,347.66/68,225.16
  6. Step 6: Final answer
    x = 52,465.11

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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.