Home / 127,037.51-175,315.08-69,679.34

Finding the Fourth Proportional to 127,037.51, 175,315.08 and 69,679.34

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Solution

The fourth proportional to 127,037.51, 175,315.08 and 69,679.34 is: 96,159.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,037.51 : 175,315.08 = 69,679.34 : x
  2. Step 2: Convert to fraction form
    127,037.51/175,315.08 = 69,679.34/x
  3. Step 3: Cross multiply
    127,037.51x = 175,315.08 × 69,679.34
  4. Step 4: Simplify right side
    127,037.51x = 12,215,839,108.60
  5. Step 5: Solve for x
    x = 12,215,839,108.60/127,037.51
  6. Step 6: Final answer
    x = 96,159.31

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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.