Home / 92,967.48-128,306.04-55,241.76

Finding the Fourth Proportional to 92,967.48, 128,306.04 and 55,241.76

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Solution

The fourth proportional to 92,967.48, 128,306.04 and 55,241.76 is: 76,240.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,967.48 : 128,306.04 = 55,241.76 : x
  2. Step 2: Convert to fraction form
    92,967.48/128,306.04 = 55,241.76/x
  3. Step 3: Cross multiply
    92,967.48x = 128,306.04 × 55,241.76
  4. Step 4: Simplify right side
    92,967.48x = 7,087,851,468.23
  5. Step 5: Solve for x
    x = 7,087,851,468.23/92,967.48
  6. Step 6: Final answer
    x = 76,240.12

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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.