Home / 92,768.48-128,012.04-52,485.92

Finding the Fourth Proportional to 92,768.48, 128,012.04 and 52,485.92

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Solution

The fourth proportional to 92,768.48, 128,012.04 and 52,485.92 is: 72,425.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,768.48 : 128,012.04 = 52,485.92 : x
  2. Step 2: Convert to fraction form
    92,768.48/128,012.04 = 52,485.92/x
  3. Step 3: Cross multiply
    92,768.48x = 128,012.04 × 52,485.92
  4. Step 4: Simplify right side
    92,768.48x = 6,718,829,690.48
  5. Step 5: Solve for x
    x = 6,718,829,690.48/92,768.48
  6. Step 6: Final answer
    x = 72,425.78

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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.