Home / 85,556.98-128,066.39-58,746.07

Finding the Fourth Proportional to 85,556.98, 128,066.39 and 58,746.07

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Solution

The fourth proportional to 85,556.98, 128,066.39 and 58,746.07 is: 87,934.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,556.98 : 128,066.39 = 58,746.07 : x
  2. Step 2: Convert to fraction form
    85,556.98/128,066.39 = 58,746.07/x
  3. Step 3: Cross multiply
    85,556.98x = 128,066.39 × 58,746.07
  4. Step 4: Simplify right side
    85,556.98x = 7,523,396,733.13
  5. Step 5: Solve for x
    x = 7,523,396,733.13/85,556.98
  6. Step 6: Final answer
    x = 87,934.34

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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.