Home / 125,317.08-172,946.73-71,600.93

Finding the Fourth Proportional to 125,317.08, 172,946.73 and 71,600.93

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Solution

The fourth proportional to 125,317.08, 172,946.73 and 71,600.93 is: 98,814.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,317.08 : 172,946.73 = 71,600.93 : x
  2. Step 2: Convert to fraction form
    125,317.08/172,946.73 = 71,600.93/x
  3. Step 3: Cross multiply
    125,317.08x = 172,946.73 × 71,600.93
  4. Step 4: Simplify right side
    125,317.08x = 12,383,146,708.46
  5. Step 5: Solve for x
    x = 12,383,146,708.46/125,317.08
  6. Step 6: Final answer
    x = 98,814.52

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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.