Home / 81,534.35-112,518.53-49,264.49

Finding the Fourth Proportional to 81,534.35, 112,518.53 and 49,264.49

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Solution

The fourth proportional to 81,534.35, 112,518.53 and 49,264.49 is: 67,985.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,534.35 : 112,518.53 = 49,264.49 : x
  2. Step 2: Convert to fraction form
    81,534.35/112,518.53 = 49,264.49/x
  3. Step 3: Cross multiply
    81,534.35x = 112,518.53 × 49,264.49
  4. Step 4: Simplify right side
    81,534.35x = 5,543,167,187.08
  5. Step 5: Solve for x
    x = 5,543,167,187.08/81,534.35
  6. Step 6: Final answer
    x = 67,985.67

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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.