Home / 83,690.08-115,492.40-45,966.88

Finding the Fourth Proportional to 83,690.08, 115,492.40 and 45,966.88

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Solution

The fourth proportional to 83,690.08, 115,492.40 and 45,966.88 is: 63,434.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,690.08 : 115,492.40 = 45,966.88 : x
  2. Step 2: Convert to fraction form
    83,690.08/115,492.40 = 45,966.88/x
  3. Step 3: Cross multiply
    83,690.08x = 115,492.40 × 45,966.88
  4. Step 4: Simplify right side
    83,690.08x = 5,308,825,291.71
  5. Step 5: Solve for x
    x = 5,308,825,291.71/83,690.08
  6. Step 6: Final answer
    x = 63,434.34

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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.