Home / 92,533.20-138,779.02-42,565.30

Finding the Fourth Proportional to 92,533.20, 138,779.02 and 42,565.30

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Solution

The fourth proportional to 92,533.20, 138,779.02 and 42,565.30 is: 63,838.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,533.20 : 138,779.02 = 42,565.30 : x
  2. Step 2: Convert to fraction form
    92,533.20/138,779.02 = 42,565.30/x
  3. Step 3: Cross multiply
    92,533.20x = 138,779.02 × 42,565.30
  4. Step 4: Simplify right side
    92,533.20x = 5,907,170,620.01
  5. Step 5: Solve for x
    x = 5,907,170,620.01/92,533.20
  6. Step 6: Final answer
    x = 63,838.39

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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.