Home / 77,965.90-116,919.80-28,032.36

Finding the Fourth Proportional to 77,965.90, 116,919.80 and 28,032.36

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Solution

The fourth proportional to 77,965.90, 116,919.80 and 28,032.36 is: 42,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,965.90 : 116,919.80 = 28,032.36 : x
  2. Step 2: Convert to fraction form
    77,965.90/116,919.80 = 28,032.36/x
  3. Step 3: Cross multiply
    77,965.90x = 116,919.80 × 28,032.36
  4. Step 4: Simplify right side
    77,965.90x = 3,277,537,924.73
  5. Step 5: Solve for x
    x = 3,277,537,924.73/77,965.90
  6. Step 6: Final answer
    x = 42,038.10

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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.