Home / 91,293.12-125,961.48-53,560.08

Finding the Fourth Proportional to 91,293.12, 125,961.48 and 53,560.08

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Solution

The fourth proportional to 91,293.12, 125,961.48 and 53,560.08 is: 73,899.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,293.12 : 125,961.48 = 53,560.08 : x
  2. Step 2: Convert to fraction form
    91,293.12/125,961.48 = 53,560.08/x
  3. Step 3: Cross multiply
    91,293.12x = 125,961.48 × 53,560.08
  4. Step 4: Simplify right side
    91,293.12x = 6,746,506,945.72
  5. Step 5: Solve for x
    x = 6,746,506,945.72/91,293.12
  6. Step 6: Final answer
    x = 73,899.40

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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.