Home / 92,867.48-128,261.58-62,777

Finding the Fourth Proportional to 92,867.48, 128,261.58 and 62,777

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Solution

The fourth proportional to 92,867.48, 128,261.58 and 62,777 is: 86,702.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,867.48 : 128,261.58 = 62,777 : x
  2. Step 2: Convert to fraction form
    92,867.48/128,261.58 = 62,777/x
  3. Step 3: Cross multiply
    92,867.48x = 128,261.58 × 62,777
  4. Step 4: Simplify right side
    92,867.48x = 8,051,877,207.66
  5. Step 5: Solve for x
    x = 8,051,877,207.66/92,867.48
  6. Step 6: Final answer
    x = 86,702.87

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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.