Home / 85,462.74-128,211.19-26,296.16

Finding the Fourth Proportional to 85,462.74, 128,211.19 and 26,296.16

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Solution

The fourth proportional to 85,462.74, 128,211.19 and 26,296.16 is: 39,449.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,462.74 : 128,211.19 = 26,296.16 : x
  2. Step 2: Convert to fraction form
    85,462.74/128,211.19 = 26,296.16/x
  3. Step 3: Cross multiply
    85,462.74x = 128,211.19 × 26,296.16
  4. Step 4: Simplify right side
    85,462.74x = 3,371,461,259.23
  5. Step 5: Solve for x
    x = 3,371,461,259.23/85,462.74
  6. Step 6: Final answer
    x = 39,449.49

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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.