Home / 112,982.58-169,373.16-42,911.10

Finding the Fourth Proportional to 112,982.58, 169,373.16 and 42,911.10

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Solution

The fourth proportional to 112,982.58, 169,373.16 and 42,911.10 is: 64,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,982.58 : 169,373.16 = 42,911.10 : x
  2. Step 2: Convert to fraction form
    112,982.58/169,373.16 = 42,911.10/x
  3. Step 3: Cross multiply
    112,982.58x = 169,373.16 × 42,911.10
  4. Step 4: Simplify right side
    112,982.58x = 7,267,988,606.08
  5. Step 5: Solve for x
    x = 7,267,988,606.08/112,982.58
  6. Step 6: Final answer
    x = 64,328.40

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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.