Home / 52,001.85-78,002.78-51,483.45

Finding the Fourth Proportional to 52,001.85, 78,002.78 and 51,483.45

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Solution

The fourth proportional to 52,001.85, 78,002.78 and 51,483.45 is: 77,225.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,001.85 : 78,002.78 = 51,483.45 : x
  2. Step 2: Convert to fraction form
    52,001.85/78,002.78 = 51,483.45/x
  3. Step 3: Cross multiply
    52,001.85x = 78,002.78 × 51,483.45
  4. Step 4: Simplify right side
    52,001.85x = 4,015,851,966.57
  5. Step 5: Solve for x
    x = 4,015,851,966.57/52,001.85
  6. Step 6: Final answer
    x = 77,225.18

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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.