Home / 89,534.40-134,271.54-45,132.84

Finding the Fourth Proportional to 89,534.40, 134,271.54 and 45,132.84

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Solution

The fourth proportional to 89,534.40, 134,271.54 and 45,132.84 is: 67,684.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,534.40 : 134,271.54 = 45,132.84 : x
  2. Step 2: Convert to fraction form
    89,534.40/134,271.54 = 45,132.84/x
  3. Step 3: Cross multiply
    89,534.40x = 134,271.54 × 45,132.84
  4. Step 4: Simplify right side
    89,534.40x = 6,060,055,931.37
  5. Step 5: Solve for x
    x = 6,060,055,931.37/89,534.40
  6. Step 6: Final answer
    x = 67,684.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.