Home / 125,065.01-172,588.40-67,703.04

Finding the Fourth Proportional to 125,065.01, 172,588.40 and 67,703.04

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Solution

The fourth proportional to 125,065.01, 172,588.40 and 67,703.04 is: 93,429.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,065.01 : 172,588.40 = 67,703.04 : x
  2. Step 2: Convert to fraction form
    125,065.01/172,588.40 = 67,703.04/x
  3. Step 3: Cross multiply
    125,065.01x = 172,588.40 × 67,703.04
  4. Step 4: Simplify right side
    125,065.01x = 11,684,759,010.22
  5. Step 5: Solve for x
    x = 11,684,759,010.22/125,065.01
  6. Step 6: Final answer
    x = 93,429.49

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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.