Home / 89,139.64-123,010.08-48,852.52

Finding the Fourth Proportional to 89,139.64, 123,010.08 and 48,852.52

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Solution

The fourth proportional to 89,139.64, 123,010.08 and 48,852.52 is: 67,415.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,139.64 : 123,010.08 = 48,852.52 : x
  2. Step 2: Convert to fraction form
    89,139.64/123,010.08 = 48,852.52/x
  3. Step 3: Cross multiply
    89,139.64x = 123,010.08 × 48,852.52
  4. Step 4: Simplify right side
    89,139.64x = 6,009,352,393.40
  5. Step 5: Solve for x
    x = 6,009,352,393.40/89,139.64
  6. Step 6: Final answer
    x = 67,415.04

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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.