Home / 112,939.30-169,397.07-46,386.46

Finding the Fourth Proportional to 112,939.30, 169,397.07 and 46,386.46

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Solution

The fourth proportional to 112,939.30, 169,397.07 and 46,386.46 is: 69,574.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,939.30 : 169,397.07 = 46,386.46 : x
  2. Step 2: Convert to fraction form
    112,939.30/169,397.07 = 46,386.46/x
  3. Step 3: Cross multiply
    112,939.30x = 169,397.07 × 46,386.46
  4. Step 4: Simplify right side
    112,939.30x = 7,857,730,411.67
  5. Step 5: Solve for x
    x = 7,857,730,411.67/112,939.30
  6. Step 6: Final answer
    x = 69,574.81

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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.