Home / 83,427.59-115,130.48-45,701.84

Finding the Fourth Proportional to 83,427.59, 115,130.48 and 45,701.84

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Solution

The fourth proportional to 83,427.59, 115,130.48 and 45,701.84 is: 63,068.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,427.59 : 115,130.48 = 45,701.84 : x
  2. Step 2: Convert to fraction form
    83,427.59/115,130.48 = 45,701.84/x
  3. Step 3: Cross multiply
    83,427.59x = 115,130.48 × 45,701.84
  4. Step 4: Simplify right side
    83,427.59x = 5,261,674,776.08
  5. Step 5: Solve for x
    x = 5,261,674,776.08/83,427.59
  6. Step 6: Final answer
    x = 63,068.76

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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.