Home / 83,567.90-115,316.84-45,842.15

Finding the Fourth Proportional to 83,567.90, 115,316.84 and 45,842.15

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Solution

The fourth proportional to 83,567.90, 115,316.84 and 45,842.15 is: 63,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,567.90 : 115,316.84 = 45,842.15 : x
  2. Step 2: Convert to fraction form
    83,567.90/115,316.84 = 45,842.15/x
  3. Step 3: Cross multiply
    83,567.90x = 115,316.84 × 45,842.15
  4. Step 4: Simplify right side
    83,567.90x = 5,286,371,876.81
  5. Step 5: Solve for x
    x = 5,286,371,876.81/83,567.90
  6. Step 6: Final answer
    x = 63,258.40

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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.