Home / 85,070.18-127,623.72-25,904.30

Finding the Fourth Proportional to 85,070.18, 127,623.72 and 25,904.30

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Solution

The fourth proportional to 85,070.18, 127,623.72 and 25,904.30 is: 38,862.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,070.18 : 127,623.72 = 25,904.30 : x
  2. Step 2: Convert to fraction form
    85,070.18/127,623.72 = 25,904.30/x
  3. Step 3: Cross multiply
    85,070.18x = 127,623.72 × 25,904.30
  4. Step 4: Simplify right side
    85,070.18x = 3,306,003,130.00
  5. Step 5: Solve for x
    x = 3,306,003,130.00/85,070.18
  6. Step 6: Final answer
    x = 38,862.07

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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.