Home / 90,118.23-124,358.14-49,829.57

Finding the Fourth Proportional to 90,118.23, 124,358.14 and 49,829.57

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Solution

The fourth proportional to 90,118.23, 124,358.14 and 49,829.57 is: 68,762.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,118.23 : 124,358.14 = 49,829.57 : x
  2. Step 2: Convert to fraction form
    90,118.23/124,358.14 = 49,829.57/x
  3. Step 3: Cross multiply
    90,118.23x = 124,358.14 × 49,829.57
  4. Step 4: Simplify right side
    90,118.23x = 6,196,712,642.20
  5. Step 5: Solve for x
    x = 6,196,712,642.20/90,118.23
  6. Step 6: Final answer
    x = 68,762.03

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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.