Home / 92,966.48-128,304.66-55,240.76

Finding the Fourth Proportional to 92,966.48, 128,304.66 and 55,240.76

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Solution

The fourth proportional to 92,966.48, 128,304.66 and 55,240.76 is: 76,238.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,966.48 : 128,304.66 = 55,240.76 : x
  2. Step 2: Convert to fraction form
    92,966.48/128,304.66 = 55,240.76/x
  3. Step 3: Cross multiply
    92,966.48x = 128,304.66 × 55,240.76
  4. Step 4: Simplify right side
    92,966.48x = 7,087,646,929.94
  5. Step 5: Solve for x
    x = 7,087,646,929.94/92,966.48
  6. Step 6: Final answer
    x = 76,238.74

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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.