Home / 91,775.69-126,652.39-51,492.36

Finding the Fourth Proportional to 91,775.69, 126,652.39 and 51,492.36

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Solution

The fourth proportional to 91,775.69, 126,652.39 and 51,492.36 is: 71,060.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,775.69 : 126,652.39 = 51,492.36 : x
  2. Step 2: Convert to fraction form
    91,775.69/126,652.39 = 51,492.36/x
  3. Step 3: Cross multiply
    91,775.69x = 126,652.39 × 51,492.36
  4. Step 4: Simplify right side
    91,775.69x = 6,521,630,460.74
  5. Step 5: Solve for x
    x = 6,521,630,460.74/91,775.69
  6. Step 6: Final answer
    x = 71,060.55

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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.