Home / 85,079.18-127,637.22-25,913.30

Finding the Fourth Proportional to 85,079.18, 127,637.22 and 25,913.30

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Solution

The fourth proportional to 85,079.18, 127,637.22 and 25,913.30 is: 38,875.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,079.18 : 127,637.22 = 25,913.30 : x
  2. Step 2: Convert to fraction form
    85,079.18/127,637.22 = 25,913.30/x
  3. Step 3: Cross multiply
    85,079.18x = 127,637.22 × 25,913.30
  4. Step 4: Simplify right side
    85,079.18x = 3,307,501,573.03
  5. Step 5: Solve for x
    x = 3,307,501,573.03/85,079.18
  6. Step 6: Final answer
    x = 38,875.57

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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.