Home / 64,848.78-97,251.30-42,779.52

Finding the Fourth Proportional to 64,848.78, 97,251.30 and 42,779.52

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Solution

The fourth proportional to 64,848.78, 97,251.30 and 42,779.52 is: 64,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,848.78 : 97,251.30 = 42,779.52 : x
  2. Step 2: Convert to fraction form
    64,848.78/97,251.30 = 42,779.52/x
  3. Step 3: Cross multiply
    64,848.78x = 97,251.30 × 42,779.52
  4. Step 4: Simplify right side
    64,848.78x = 4,160,363,933.38
  5. Step 5: Solve for x
    x = 4,160,363,933.38/64,848.78
  6. Step 6: Final answer
    x = 64,154.85

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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.