Home / 52,378.08-77,974.80-52,066.77

Finding the Fourth Proportional to 52,378.08, 77,974.80 and 52,066.77

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Solution

The fourth proportional to 52,378.08, 77,974.80 and 52,066.77 is: 77,511.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,378.08 : 77,974.80 = 52,066.77 : x
  2. Step 2: Convert to fraction form
    52,378.08/77,974.80 = 52,066.77/x
  3. Step 3: Cross multiply
    52,378.08x = 77,974.80 × 52,066.77
  4. Step 4: Simplify right side
    52,378.08x = 4,059,895,977.40
  5. Step 5: Solve for x
    x = 4,059,895,977.40/52,378.08
  6. Step 6: Final answer
    x = 77,511.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.