Home / 90,590.74-125,011.03-50,307.06

Finding the Fourth Proportional to 90,590.74, 125,011.03 and 50,307.06

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Solution

The fourth proportional to 90,590.74, 125,011.03 and 50,307.06 is: 69,421.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,590.74 : 125,011.03 = 50,307.06 : x
  2. Step 2: Convert to fraction form
    90,590.74/125,011.03 = 50,307.06/x
  3. Step 3: Cross multiply
    90,590.74x = 125,011.03 × 50,307.06
  4. Step 4: Simplify right side
    90,590.74x = 6,288,937,386.87
  5. Step 5: Solve for x
    x = 6,288,937,386.87/90,590.74
  6. Step 6: Final answer
    x = 69,421.42

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1.5x scale

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.