Home / 77,718.16-116,616.12-31,003.84

Finding the Fourth Proportional to 77,718.16, 116,616.12 and 31,003.84

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Solution

The fourth proportional to 77,718.16, 116,616.12 and 31,003.84 is: 46,521.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,718.16 : 116,616.12 = 31,003.84 : x
  2. Step 2: Convert to fraction form
    77,718.16/116,616.12 = 31,003.84/x
  3. Step 3: Cross multiply
    77,718.16x = 116,616.12 × 31,003.84
  4. Step 4: Simplify right side
    77,718.16x = 3,615,547,525.90
  5. Step 5: Solve for x
    x = 3,615,547,525.90/77,718.16
  6. Step 6: Final answer
    x = 46,521.27

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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.