Home / 85,094.02-127,561.72-28,895.70

Finding the Fourth Proportional to 85,094.02, 127,561.72 and 28,895.70

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Solution

The fourth proportional to 85,094.02, 127,561.72 and 28,895.70 is: 43,316.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,094.02 : 127,561.72 = 28,895.70 : x
  2. Step 2: Convert to fraction form
    85,094.02/127,561.72 = 28,895.70/x
  3. Step 3: Cross multiply
    85,094.02x = 127,561.72 × 28,895.70
  4. Step 4: Simplify right side
    85,094.02x = 3,685,985,192.60
  5. Step 5: Solve for x
    x = 3,685,985,192.60/85,094.02
  6. Step 6: Final answer
    x = 43,316.62

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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.