Home / 46,979.16-70,480.25-15,390.91

Finding the Fourth Proportional to 46,979.16, 70,480.25 and 15,390.91

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Solution

The fourth proportional to 46,979.16, 70,480.25 and 15,390.91 is: 23,090.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,979.16 : 70,480.25 = 15,390.91 : x
  2. Step 2: Convert to fraction form
    46,979.16/70,480.25 = 15,390.91/x
  3. Step 3: Cross multiply
    46,979.16x = 70,480.25 × 15,390.91
  4. Step 4: Simplify right side
    46,979.16x = 1,084,755,184.53
  5. Step 5: Solve for x
    x = 1,084,755,184.53/46,979.16
  6. Step 6: Final answer
    x = 23,090.14

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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.