Home / 77,988.04-107,616.90-46,151.32

Finding the Fourth Proportional to 77,988.04, 107,616.90 and 46,151.32

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Solution

The fourth proportional to 77,988.04, 107,616.90 and 46,151.32 is: 63,684.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,988.04 : 107,616.90 = 46,151.32 : x
  2. Step 2: Convert to fraction form
    77,988.04/107,616.90 = 46,151.32/x
  3. Step 3: Cross multiply
    77,988.04x = 107,616.90 × 46,151.32
  4. Step 4: Simplify right side
    77,988.04x = 4,966,661,989.31
  5. Step 5: Solve for x
    x = 4,966,661,989.31/77,988.04
  6. Step 6: Final answer
    x = 63,684.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.