Home / 81,294.12-112,188.30-45,483.32

Finding the Fourth Proportional to 81,294.12, 112,188.30 and 45,483.32

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Solution

The fourth proportional to 81,294.12, 112,188.30 and 45,483.32 is: 62,768.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,294.12 : 112,188.30 = 45,483.32 : x
  2. Step 2: Convert to fraction form
    81,294.12/112,188.30 = 45,483.32/x
  3. Step 3: Cross multiply
    81,294.12x = 112,188.30 × 45,483.32
  4. Step 4: Simplify right side
    81,294.12x = 5,102,696,349.16
  5. Step 5: Solve for x
    x = 5,102,696,349.16/81,294.12
  6. Step 6: Final answer
    x = 62,768.33

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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.