Home / 89,211.08-123,047.01-57,349.53

Finding the Fourth Proportional to 89,211.08, 123,047.01 and 57,349.53

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Solution

The fourth proportional to 89,211.08, 123,047.01 and 57,349.53 is: 79,101.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,211.08 : 123,047.01 = 57,349.53 : x
  2. Step 2: Convert to fraction form
    89,211.08/123,047.01 = 57,349.53/x
  3. Step 3: Cross multiply
    89,211.08x = 123,047.01 × 57,349.53
  4. Step 4: Simplify right side
    89,211.08x = 7,056,688,191.41
  5. Step 5: Solve for x
    x = 7,056,688,191.41/89,211.08
  6. Step 6: Final answer
    x = 79,101.03

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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.