Home / 81,338.16-112,225.34-46,874.46

Finding the Fourth Proportional to 81,338.16, 112,225.34 and 46,874.46

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Solution

The fourth proportional to 81,338.16, 112,225.34 and 46,874.46 is: 64,674.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,338.16 : 112,225.34 = 46,874.46 : x
  2. Step 2: Convert to fraction form
    81,338.16/112,225.34 = 46,874.46/x
  3. Step 3: Cross multiply
    81,338.16x = 112,225.34 × 46,874.46
  4. Step 4: Simplify right side
    81,338.16x = 5,260,502,210.82
  5. Step 5: Solve for x
    x = 5,260,502,210.82/81,338.16
  6. Step 6: Final answer
    x = 64,674.47

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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.