Home / 83,426.67-115,130.64-47,615.94

Finding the Fourth Proportional to 83,426.67, 115,130.64 and 47,615.94

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Solution

The fourth proportional to 83,426.67, 115,130.64 and 47,615.94 is: 65,711.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,426.67 : 115,130.64 = 47,615.94 : x
  2. Step 2: Convert to fraction form
    83,426.67/115,130.64 = 47,615.94/x
  3. Step 3: Cross multiply
    83,426.67x = 115,130.64 × 47,615.94
  4. Step 4: Simplify right side
    83,426.67x = 5,482,053,646.40
  5. Step 5: Solve for x
    x = 5,482,053,646.40/83,426.67
  6. Step 6: Final answer
    x = 65,711.04

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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.