Home / 113,068.81-169,597.75-42,942.66

Finding the Fourth Proportional to 113,068.81, 169,597.75 and 42,942.66

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Solution

The fourth proportional to 113,068.81, 169,597.75 and 42,942.66 is: 64,411.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,068.81 : 169,597.75 = 42,942.66 : x
  2. Step 2: Convert to fraction form
    113,068.81/169,597.75 = 42,942.66/x
  3. Step 3: Cross multiply
    113,068.81x = 169,597.75 × 42,942.66
  4. Step 4: Simplify right side
    113,068.81x = 7,282,977,852.18
  5. Step 5: Solve for x
    x = 7,282,977,852.18/113,068.81
  6. Step 6: Final answer
    x = 64,411.91

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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.