Home / 77,525.40-106,996.70-47,328.26

Finding the Fourth Proportional to 77,525.40, 106,996.70 and 47,328.26

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Solution

The fourth proportional to 77,525.40, 106,996.70 and 47,328.26 is: 65,320.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,525.40 : 106,996.70 = 47,328.26 : x
  2. Step 2: Convert to fraction form
    77,525.40/106,996.70 = 47,328.26/x
  3. Step 3: Cross multiply
    77,525.40x = 106,996.70 × 47,328.26
  4. Step 4: Simplify right side
    77,525.40x = 5,063,967,636.74
  5. Step 5: Solve for x
    x = 5,063,967,636.74/77,525.40
  6. Step 6: Final answer
    x = 65,320.11

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1.5x scale

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.