Home / 96,645.81-145,010.43-52,303.85

Finding the Fourth Proportional to 96,645.81, 145,010.43 and 52,303.85

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Solution

The fourth proportional to 96,645.81, 145,010.43 and 52,303.85 is: 78,478.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,645.81 : 145,010.43 = 52,303.85 : x
  2. Step 2: Convert to fraction form
    96,645.81/145,010.43 = 52,303.85/x
  3. Step 3: Cross multiply
    96,645.81x = 145,010.43 × 52,303.85
  4. Step 4: Simplify right side
    96,645.81x = 7,584,603,779.16
  5. Step 5: Solve for x
    x = 7,584,603,779.16/96,645.81
  6. Step 6: Final answer
    x = 78,478.35

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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.