Home / 112,320.16-154,997.76-62,018.08

Finding the Fourth Proportional to 112,320.16, 154,997.76 and 62,018.08

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Solution

The fourth proportional to 112,320.16, 154,997.76 and 62,018.08 is: 85,582.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,320.16 : 154,997.76 = 62,018.08 : x
  2. Step 2: Convert to fraction form
    112,320.16/154,997.76 = 62,018.08/x
  3. Step 3: Cross multiply
    112,320.16x = 154,997.76 × 62,018.08
  4. Step 4: Simplify right side
    112,320.16x = 9,612,663,479.50
  5. Step 5: Solve for x
    x = 9,612,663,479.50/112,320.16
  6. Step 6: Final answer
    x = 85,582.71

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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.