Home / 88,271.96-121,833-52,455.05

Finding the Fourth Proportional to 88,271.96, 121,833 and 52,455.05

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Solution

The fourth proportional to 88,271.96, 121,833 and 52,455.05 is: 72,398.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,271.96 : 121,833 = 52,455.05 : x
  2. Step 2: Convert to fraction form
    88,271.96/121,833 = 52,455.05/x
  3. Step 3: Cross multiply
    88,271.96x = 121,833 × 52,455.05
  4. Step 4: Simplify right side
    88,271.96x = 6,390,755,497.49
  5. Step 5: Solve for x
    x = 6,390,755,497.49/88,271.96
  6. Step 6: Final answer
    x = 72,398.48

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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.