Home / 108,678.07-163,017.67-49,472.34

Finding the Fourth Proportional to 108,678.07, 163,017.67 and 49,472.34

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Solution

The fourth proportional to 108,678.07, 163,017.67 and 49,472.34 is: 74,208.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,678.07 : 163,017.67 = 49,472.34 : x
  2. Step 2: Convert to fraction form
    108,678.07/163,017.67 = 49,472.34/x
  3. Step 3: Cross multiply
    108,678.07x = 163,017.67 × 49,472.34
  4. Step 4: Simplify right side
    108,678.07x = 8,064,864,657.48
  5. Step 5: Solve for x
    x = 8,064,864,657.48/108,678.07
  6. Step 6: Final answer
    x = 74,208.76

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1.5x scale

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.