Home / 92,848.05-127,999.40-65,980.76

Finding the Fourth Proportional to 92,848.05, 127,999.40 and 65,980.76

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Solution

The fourth proportional to 92,848.05, 127,999.40 and 65,980.76 is: 90,960.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,848.05 : 127,999.40 = 65,980.76 : x
  2. Step 2: Convert to fraction form
    92,848.05/127,999.40 = 65,980.76/x
  3. Step 3: Cross multiply
    92,848.05x = 127,999.40 × 65,980.76
  4. Step 4: Simplify right side
    92,848.05x = 8,445,496,721.64
  5. Step 5: Solve for x
    x = 8,445,496,721.64/92,848.05
  6. Step 6: Final answer
    x = 90,960.41

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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.