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Finding the Fourth Proportional to 64,879.32, 97,189.38 and 59,397.24

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Solution

The fourth proportional to 64,879.32, 97,189.38 and 59,397.24 is: 88,977.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,879.32 : 97,189.38 = 59,397.24 : x
  2. Step 2: Convert to fraction form
    64,879.32/97,189.38 = 59,397.24/x
  3. Step 3: Cross multiply
    64,879.32x = 97,189.38 × 59,397.24
  4. Step 4: Simplify right side
    64,879.32x = 5,772,780,929.31
  5. Step 5: Solve for x
    x = 5,772,780,929.31/64,879.32
  6. Step 6: Final answer
    x = 88,977.21

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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.