Home / 92,518.34-127,678.44-56,701.45

Finding the Fourth Proportional to 92,518.34, 127,678.44 and 56,701.45

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Solution

The fourth proportional to 92,518.34, 127,678.44 and 56,701.45 is: 78,249.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,518.34 : 127,678.44 = 56,701.45 : x
  2. Step 2: Convert to fraction form
    92,518.34/127,678.44 = 56,701.45/x
  3. Step 3: Cross multiply
    92,518.34x = 127,678.44 × 56,701.45
  4. Step 4: Simplify right side
    92,518.34x = 7,239,553,053.97
  5. Step 5: Solve for x
    x = 7,239,553,053.97/92,518.34
  6. Step 6: Final answer
    x = 78,249.93

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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.