Home / 68,440.12-94,444.70-42,960.16

Finding the Fourth Proportional to 68,440.12, 94,444.70 and 42,960.16

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Solution

The fourth proportional to 68,440.12, 94,444.70 and 42,960.16 is: 59,283.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,440.12 : 94,444.70 = 42,960.16 : x
  2. Step 2: Convert to fraction form
    68,440.12/94,444.70 = 42,960.16/x
  3. Step 3: Cross multiply
    68,440.12x = 94,444.70 × 42,960.16
  4. Step 4: Simplify right side
    68,440.12x = 4,057,359,423.15
  5. Step 5: Solve for x
    x = 4,057,359,423.15/68,440.12
  6. Step 6: Final answer
    x = 59,283.35

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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.