Home / 91,870.02-126,787.95-51,586.47

Finding the Fourth Proportional to 91,870.02, 126,787.95 and 51,586.47

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Solution

The fourth proportional to 91,870.02, 126,787.95 and 51,586.47 is: 71,193.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,870.02 : 126,787.95 = 51,586.47 : x
  2. Step 2: Convert to fraction form
    91,870.02/126,787.95 = 51,586.47/x
  3. Step 3: Cross multiply
    91,870.02x = 126,787.95 × 51,586.47
  4. Step 4: Simplify right side
    91,870.02x = 6,540,542,779.04
  5. Step 5: Solve for x
    x = 6,540,542,779.04/91,870.02
  6. Step 6: Final answer
    x = 71,193.44

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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.