Home / 74,746.08-102,913.20-60,645.60

Finding the Fourth Proportional to 74,746.08, 102,913.20 and 60,645.60

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Solution

The fourth proportional to 74,746.08, 102,913.20 and 60,645.60 is: 83,499.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,746.08 : 102,913.20 = 60,645.60 : x
  2. Step 2: Convert to fraction form
    74,746.08/102,913.20 = 60,645.60/x
  3. Step 3: Cross multiply
    74,746.08x = 102,913.20 × 60,645.60
  4. Step 4: Simplify right side
    74,746.08x = 6,241,232,761.92
  5. Step 5: Solve for x
    x = 6,241,232,761.92/74,746.08
  6. Step 6: Final answer
    x = 83,499.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.