Home / 77,666.72-116,534.95-46,138.39

Finding the Fourth Proportional to 77,666.72, 116,534.95 and 46,138.39

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Solution

The fourth proportional to 77,666.72, 116,534.95 and 46,138.39 is: 69,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,666.72 : 116,534.95 = 46,138.39 : x
  2. Step 2: Convert to fraction form
    77,666.72/116,534.95 = 46,138.39/x
  3. Step 3: Cross multiply
    77,666.72x = 116,534.95 × 46,138.39
  4. Step 4: Simplify right side
    77,666.72x = 5,376,734,565.05
  5. Step 5: Solve for x
    x = 5,376,734,565.05/77,666.72
  6. Step 6: Final answer
    x = 69,228.30

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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.