Home / 77,401.15-106,835.69-45,588.40

Finding the Fourth Proportional to 77,401.15, 106,835.69 and 45,588.40

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Solution

The fourth proportional to 77,401.15, 106,835.69 and 45,588.40 is: 62,925.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,401.15 : 106,835.69 = 45,588.40 : x
  2. Step 2: Convert to fraction form
    77,401.15/106,835.69 = 45,588.40/x
  3. Step 3: Cross multiply
    77,401.15x = 106,835.69 × 45,588.40
  4. Step 4: Simplify right side
    77,401.15x = 4,870,468,170.00
  5. Step 5: Solve for x
    x = 4,870,468,170.00/77,401.15
  6. Step 6: Final answer
    x = 62,925.01

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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.