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Finding the Fourth Proportional to 64,280.16, 96,420.24 and 33,094.08

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Solution

The fourth proportional to 64,280.16, 96,420.24 and 33,094.08 is: 49,641.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,280.16 : 96,420.24 = 33,094.08 : x
  2. Step 2: Convert to fraction form
    64,280.16/96,420.24 = 33,094.08/x
  3. Step 3: Cross multiply
    64,280.16x = 96,420.24 × 33,094.08
  4. Step 4: Simplify right side
    64,280.16x = 3,190,939,136.18
  5. Step 5: Solve for x
    x = 3,190,939,136.18/64,280.16
  6. Step 6: Final answer
    x = 49,641.12

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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.