Home / 96,729.84-145,007.12-34,385.76

Finding the Fourth Proportional to 96,729.84, 145,007.12 and 34,385.76

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Solution

The fourth proportional to 96,729.84, 145,007.12 and 34,385.76 is: 51,547.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,729.84 : 145,007.12 = 34,385.76 : x
  2. Step 2: Convert to fraction form
    96,729.84/145,007.12 = 34,385.76/x
  3. Step 3: Cross multiply
    96,729.84x = 145,007.12 × 34,385.76
  4. Step 4: Simplify right side
    96,729.84x = 4,986,180,026.61
  5. Step 5: Solve for x
    x = 4,986,180,026.61/96,729.84
  6. Step 6: Final answer
    x = 51,547.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.