Home / 77,528.40-107,000.84-47,331.26

Finding the Fourth Proportional to 77,528.40, 107,000.84 and 47,331.26

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Solution

The fourth proportional to 77,528.40, 107,000.84 and 47,331.26 is: 65,324.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,528.40 : 107,000.84 = 47,331.26 : x
  2. Step 2: Convert to fraction form
    77,528.40/107,000.84 = 47,331.26/x
  3. Step 3: Cross multiply
    77,528.40x = 107,000.84 × 47,331.26
  4. Step 4: Simplify right side
    77,528.40x = 5,064,484,578.26
  5. Step 5: Solve for x
    x = 5,064,484,578.26/77,528.40
  6. Step 6: Final answer
    x = 65,324.25

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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.