Home / 77,399.15-106,832.93-45,586.40

Finding the Fourth Proportional to 77,399.15, 106,832.93 and 45,586.40

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Solution

The fourth proportional to 77,399.15, 106,832.93 and 45,586.40 is: 62,922.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,399.15 : 106,832.93 = 45,586.40 : x
  2. Step 2: Convert to fraction form
    77,399.15/106,832.93 = 45,586.40/x
  3. Step 3: Cross multiply
    77,399.15x = 106,832.93 × 45,586.40
  4. Step 4: Simplify right side
    77,399.15x = 4,870,127,918.06
  5. Step 5: Solve for x
    x = 4,870,127,918.06/77,399.15
  6. Step 6: Final answer
    x = 62,922.24

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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.