Home / 92,608.04-127,769.30-56,780.12

Finding the Fourth Proportional to 92,608.04, 127,769.30 and 56,780.12

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Solution

The fourth proportional to 92,608.04, 127,769.30 and 56,780.12 is: 78,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,608.04 : 127,769.30 = 56,780.12 : x
  2. Step 2: Convert to fraction form
    92,608.04/127,769.30 = 56,780.12/x
  3. Step 3: Cross multiply
    92,608.04x = 127,769.30 × 56,780.12
  4. Step 4: Simplify right side
    92,608.04x = 7,254,756,186.32
  5. Step 5: Solve for x
    x = 7,254,756,186.32/92,608.04
  6. Step 6: Final answer
    x = 78,338.30

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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.