Home / 64,309.48-96,480-51,941.58

Finding the Fourth Proportional to 64,309.48, 96,480 and 51,941.58

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Solution

The fourth proportional to 64,309.48, 96,480 and 51,941.58 is: 77,925.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,309.48 : 96,480 = 51,941.58 : x
  2. Step 2: Convert to fraction form
    64,309.48/96,480 = 51,941.58/x
  3. Step 3: Cross multiply
    64,309.48x = 96,480 × 51,941.58
  4. Step 4: Simplify right side
    64,309.48x = 5,011,323,638.40
  5. Step 5: Solve for x
    x = 5,011,323,638.40/64,309.48
  6. Step 6: Final answer
    x = 77,925.12

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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.