Home / 85,071.58-127,513.40-35,124.14

Finding the Fourth Proportional to 85,071.58, 127,513.40 and 35,124.14

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Solution

The fourth proportional to 85,071.58, 127,513.40 and 35,124.14 is: 52,647.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,071.58 : 127,513.40 = 35,124.14 : x
  2. Step 2: Convert to fraction form
    85,071.58/127,513.40 = 35,124.14/x
  3. Step 3: Cross multiply
    85,071.58x = 127,513.40 × 35,124.14
  4. Step 4: Simplify right side
    85,071.58x = 4,478,798,513.48
  5. Step 5: Solve for x
    x = 4,478,798,513.48/85,071.58
  6. Step 6: Final answer
    x = 52,647.41

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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.