Home / 94,043.56-129,770.66-56,316.84

Finding the Fourth Proportional to 94,043.56, 129,770.66 and 56,316.84

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Solution

The fourth proportional to 94,043.56, 129,770.66 and 56,316.84 is: 77,711.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,043.56 : 129,770.66 = 56,316.84 : x
  2. Step 2: Convert to fraction form
    94,043.56/129,770.66 = 56,316.84/x
  3. Step 3: Cross multiply
    94,043.56x = 129,770.66 × 56,316.84
  4. Step 4: Simplify right side
    94,043.56x = 7,308,273,495.91
  5. Step 5: Solve for x
    x = 7,308,273,495.91/94,043.56
  6. Step 6: Final answer
    x = 77,711.58

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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.