Home / 123,664.13-170,656.50-69,947.99

Finding the Fourth Proportional to 123,664.13, 170,656.50 and 69,947.99

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Solution

The fourth proportional to 123,664.13, 170,656.50 and 69,947.99 is: 96,528.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,664.13 : 170,656.50 = 69,947.99 : x
  2. Step 2: Convert to fraction form
    123,664.13/170,656.50 = 69,947.99/x
  3. Step 3: Cross multiply
    123,664.13x = 170,656.50 × 69,947.99
  4. Step 4: Simplify right side
    123,664.13x = 11,937,078,302.15
  5. Step 5: Solve for x
    x = 11,937,078,302.15/123,664.13
  6. Step 6: Final answer
    x = 96,528.22

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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.