Home / 91,065.47-125,667.05-52,825.77

Finding the Fourth Proportional to 91,065.47, 125,667.05 and 52,825.77

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Solution

The fourth proportional to 91,065.47, 125,667.05 and 52,825.77 is: 72,897.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,065.47 : 125,667.05 = 52,825.77 : x
  2. Step 2: Convert to fraction form
    91,065.47/125,667.05 = 52,825.77/x
  3. Step 3: Cross multiply
    91,065.47x = 125,667.05 × 52,825.77
  4. Step 4: Simplify right side
    91,065.47x = 6,638,458,415.75
  5. Step 5: Solve for x
    x = 6,638,458,415.75/91,065.47
  6. Step 6: Final answer
    x = 72,897.65

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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.