Home / 91,547.03-126,320.28-51,262.49

Finding the Fourth Proportional to 91,547.03, 126,320.28 and 51,262.49

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Solution

The fourth proportional to 91,547.03, 126,320.28 and 51,262.49 is: 70,734.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,547.03 : 126,320.28 = 51,262.49 : x
  2. Step 2: Convert to fraction form
    91,547.03/126,320.28 = 51,262.49/x
  3. Step 3: Cross multiply
    91,547.03x = 126,320.28 × 51,262.49
  4. Step 4: Simplify right side
    91,547.03x = 6,475,491,458.70
  5. Step 5: Solve for x
    x = 6,475,491,458.70/91,547.03
  6. Step 6: Final answer
    x = 70,734.05

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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.