Home / 83,696.04-115,507.66-47,403.94

Finding the Fourth Proportional to 83,696.04, 115,507.66 and 47,403.94

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Solution

The fourth proportional to 83,696.04, 115,507.66 and 47,403.94 is: 65,421.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,696.04 : 115,507.66 = 47,403.94 : x
  2. Step 2: Convert to fraction form
    83,696.04/115,507.66 = 47,403.94/x
  3. Step 3: Cross multiply
    83,696.04x = 115,507.66 × 47,403.94
  4. Step 4: Simplify right side
    83,696.04x = 5,475,518,210.06
  5. Step 5: Solve for x
    x = 5,475,518,210.06/83,696.04
  6. Step 6: Final answer
    x = 65,421.47

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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.