Home / 88,266.80-121,796.16-52,443.74

Finding the Fourth Proportional to 88,266.80, 121,796.16 and 52,443.74

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Solution

The fourth proportional to 88,266.80, 121,796.16 and 52,443.74 is: 72,365.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,266.80 : 121,796.16 = 52,443.74 : x
  2. Step 2: Convert to fraction form
    88,266.80/121,796.16 = 52,443.74/x
  3. Step 3: Cross multiply
    88,266.80x = 121,796.16 × 52,443.74
  4. Step 4: Simplify right side
    88,266.80x = 6,387,446,148.04
  5. Step 5: Solve for x
    x = 6,387,446,148.04/88,266.80
  6. Step 6: Final answer
    x = 72,365.22

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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.