Home / 89,828.10-123,962.58-54,038.88

Finding the Fourth Proportional to 89,828.10, 123,962.58 and 54,038.88

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Solution

The fourth proportional to 89,828.10, 123,962.58 and 54,038.88 is: 74,573.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,828.10 : 123,962.58 = 54,038.88 : x
  2. Step 2: Convert to fraction form
    89,828.10/123,962.58 = 54,038.88/x
  3. Step 3: Cross multiply
    89,828.10x = 123,962.58 × 54,038.88
  4. Step 4: Simplify right side
    89,828.10x = 6,698,798,985.11
  5. Step 5: Solve for x
    x = 6,698,798,985.11/89,828.10
  6. Step 6: Final answer
    x = 74,573.54

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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.