Home / 65,554.36-98,331.59-28,090.13

Finding the Fourth Proportional to 65,554.36, 98,331.59 and 28,090.13

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Solution

The fourth proportional to 65,554.36, 98,331.59 and 28,090.13 is: 42,135.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,554.36 : 98,331.59 = 28,090.13 : x
  2. Step 2: Convert to fraction form
    65,554.36/98,331.59 = 28,090.13/x
  3. Step 3: Cross multiply
    65,554.36x = 98,331.59 × 28,090.13
  4. Step 4: Simplify right side
    65,554.36x = 2,762,146,724.77
  5. Step 5: Solve for x
    x = 2,762,146,724.77/65,554.36
  6. Step 6: Final answer
    x = 42,135.21

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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.