Home / 125,047.45-172,549.34-71,329.26

Finding the Fourth Proportional to 125,047.45, 172,549.34 and 71,329.26

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Solution

The fourth proportional to 125,047.45, 172,549.34 and 71,329.26 is: 98,425.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,047.45 : 172,549.34 = 71,329.26 : x
  2. Step 2: Convert to fraction form
    125,047.45/172,549.34 = 71,329.26/x
  3. Step 3: Cross multiply
    125,047.45x = 172,549.34 × 71,329.26
  4. Step 4: Simplify right side
    125,047.45x = 12,307,816,323.00
  5. Step 5: Solve for x
    x = 12,307,816,323.00/125,047.45
  6. Step 6: Final answer
    x = 98,425.17

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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.