Home / 78,320.42-108,000.47-46,483.16

Finding the Fourth Proportional to 78,320.42, 108,000.47 and 46,483.16

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Solution

The fourth proportional to 78,320.42, 108,000.47 and 46,483.16 is: 64,098.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,320.42 : 108,000.47 = 46,483.16 : x
  2. Step 2: Convert to fraction form
    78,320.42/108,000.47 = 46,483.16/x
  3. Step 3: Cross multiply
    78,320.42x = 108,000.47 × 46,483.16
  4. Step 4: Simplify right side
    78,320.42x = 5,020,202,354.67
  5. Step 5: Solve for x
    x = 5,020,202,354.67/78,320.42
  6. Step 6: Final answer
    x = 64,098.26

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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.