Home / 112,870.80-169,294.32-46,317.96

Finding the Fourth Proportional to 112,870.80, 169,294.32 and 46,317.96

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Solution

The fourth proportional to 112,870.80, 169,294.32 and 46,317.96 is: 69,472.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,870.80 : 169,294.32 = 46,317.96 : x
  2. Step 2: Convert to fraction form
    112,870.80/169,294.32 = 46,317.96/x
  3. Step 3: Cross multiply
    112,870.80x = 169,294.32 × 46,317.96
  4. Step 4: Simplify right side
    112,870.80x = 7,841,367,541.99
  5. Step 5: Solve for x
    x = 7,841,367,541.99/112,870.80
  6. Step 6: Final answer
    x = 69,472.06

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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.