Home / 77,018.58-106,285.59-46,813.62

Finding the Fourth Proportional to 77,018.58, 106,285.59 and 46,813.62

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Solution

The fourth proportional to 77,018.58, 106,285.59 and 46,813.62 is: 64,602.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,018.58 : 106,285.59 = 46,813.62 : x
  2. Step 2: Convert to fraction form
    77,018.58/106,285.59 = 46,813.62/x
  3. Step 3: Cross multiply
    77,018.58x = 106,285.59 × 46,813.62
  4. Step 4: Simplify right side
    77,018.58x = 4,975,613,221.74
  5. Step 5: Solve for x
    x = 4,975,613,221.74/77,018.58
  6. Step 6: Final answer
    x = 64,602.76

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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.