Home / 89,703.02-134,554.72-84,222.53

Finding the Fourth Proportional to 89,703.02, 134,554.72 and 84,222.53

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Solution

The fourth proportional to 89,703.02, 134,554.72 and 84,222.53 is: 126,333.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,703.02 : 134,554.72 = 84,222.53 : x
  2. Step 2: Convert to fraction form
    89,703.02/134,554.72 = 84,222.53/x
  3. Step 3: Cross multiply
    89,703.02x = 134,554.72 × 84,222.53
  4. Step 4: Simplify right side
    89,703.02x = 11,332,538,744.13
  5. Step 5: Solve for x
    x = 11,332,538,744.13/89,703.02
  6. Step 6: Final answer
    x = 126,333.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.