Home / 84,001.68-115,920.84-46,275.60

Finding the Fourth Proportional to 84,001.68, 115,920.84 and 46,275.60

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Solution

The fourth proportional to 84,001.68, 115,920.84 and 46,275.60 is: 63,859.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,001.68 : 115,920.84 = 46,275.60 : x
  2. Step 2: Convert to fraction form
    84,001.68/115,920.84 = 46,275.60/x
  3. Step 3: Cross multiply
    84,001.68x = 115,920.84 × 46,275.60
  4. Step 4: Simplify right side
    84,001.68x = 5,364,306,423.50
  5. Step 5: Solve for x
    x = 5,364,306,423.50/84,001.68
  6. Step 6: Final answer
    x = 63,859.51

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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.