Home / 52,001.10-78,001.65-51,612.30

Finding the Fourth Proportional to 52,001.10, 78,001.65 and 51,612.30

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Solution

The fourth proportional to 52,001.10, 78,001.65 and 51,612.30 is: 77,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,001.10 : 78,001.65 = 51,612.30 : x
  2. Step 2: Convert to fraction form
    52,001.10/78,001.65 = 51,612.30/x
  3. Step 3: Cross multiply
    52,001.10x = 78,001.65 × 51,612.30
  4. Step 4: Simplify right side
    52,001.10x = 4,025,844,560.30
  5. Step 5: Solve for x
    x = 4,025,844,560.30/52,001.10
  6. Step 6: Final answer
    x = 77,418.45

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1.5x scale

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.