Home / 89,614.13-123,653.02-51,366.63

Finding the Fourth Proportional to 89,614.13, 123,653.02 and 51,366.63

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Solution

The fourth proportional to 89,614.13, 123,653.02 and 51,366.63 is: 70,877.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,614.13 : 123,653.02 = 51,366.63 : x
  2. Step 2: Convert to fraction form
    89,614.13/123,653.02 = 51,366.63/x
  3. Step 3: Cross multiply
    89,614.13x = 123,653.02 × 51,366.63
  4. Step 4: Simplify right side
    89,614.13x = 6,351,638,798.31
  5. Step 5: Solve for x
    x = 6,351,638,798.31/89,614.13
  6. Step 6: Final answer
    x = 70,877.65

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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.