Home / 81,363.02-112,294.35-55,848.35

Finding the Fourth Proportional to 81,363.02, 112,294.35 and 55,848.35

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Solution

The fourth proportional to 81,363.02, 112,294.35 and 55,848.35 is: 77,079.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,363.02 : 112,294.35 = 55,848.35 : x
  2. Step 2: Convert to fraction form
    81,363.02/112,294.35 = 55,848.35/x
  3. Step 3: Cross multiply
    81,363.02x = 112,294.35 × 55,848.35
  4. Step 4: Simplify right side
    81,363.02x = 6,271,454,442.56
  5. Step 5: Solve for x
    x = 6,271,454,442.56/81,363.02
  6. Step 6: Final answer
    x = 77,079.92

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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.