Home / 112,911.16-169,345.12-56,735.71

Finding the Fourth Proportional to 112,911.16, 169,345.12 and 56,735.71

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Solution

The fourth proportional to 112,911.16, 169,345.12 and 56,735.71 is: 85,092.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,911.16 : 169,345.12 = 56,735.71 : x
  2. Step 2: Convert to fraction form
    112,911.16/169,345.12 = 56,735.71/x
  3. Step 3: Cross multiply
    112,911.16x = 169,345.12 × 56,735.71
  4. Step 4: Simplify right side
    112,911.16x = 9,607,915,618.24
  5. Step 5: Solve for x
    x = 9,607,915,618.24/112,911.16
  6. Step 6: Final answer
    x = 85,092.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.