Home / 83,528.34-115,251.66-53,294.40

Finding the Fourth Proportional to 83,528.34, 115,251.66 and 53,294.40

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Solution

The fourth proportional to 83,528.34, 115,251.66 and 53,294.40 is: 73,535.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,528.34 : 115,251.66 = 53,294.40 : x
  2. Step 2: Convert to fraction form
    83,528.34/115,251.66 = 53,294.40/x
  3. Step 3: Cross multiply
    83,528.34x = 115,251.66 × 53,294.40
  4. Step 4: Simplify right side
    83,528.34x = 6,142,268,068.70
  5. Step 5: Solve for x
    x = 6,142,268,068.70/83,528.34
  6. Step 6: Final answer
    x = 73,535.14

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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.