Home / 77,943.68-116,886.65-28,010.32

Finding the Fourth Proportional to 77,943.68, 116,886.65 and 28,010.32

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Solution

The fourth proportional to 77,943.68, 116,886.65 and 28,010.32 is: 42,005.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,943.68 : 116,886.65 = 28,010.32 : x
  2. Step 2: Convert to fraction form
    77,943.68/116,886.65 = 28,010.32/x
  3. Step 3: Cross multiply
    77,943.68x = 116,886.65 × 28,010.32
  4. Step 4: Simplify right side
    77,943.68x = 3,274,032,470.23
  5. Step 5: Solve for x
    x = 3,274,032,470.23/77,943.68
  6. Step 6: Final answer
    x = 42,005.11

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1.5x scale

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.