Home / 77,423.08-106,831.02-45,580.36

Finding the Fourth Proportional to 77,423.08, 106,831.02 and 45,580.36

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Solution

The fourth proportional to 77,423.08, 106,831.02 and 45,580.36 is: 62,893.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,423.08 : 106,831.02 = 45,580.36 : x
  2. Step 2: Convert to fraction form
    77,423.08/106,831.02 = 45,580.36/x
  3. Step 3: Cross multiply
    77,423.08x = 106,831.02 × 45,580.36
  4. Step 4: Simplify right side
    77,423.08x = 4,869,396,350.77
  5. Step 5: Solve for x
    x = 4,869,396,350.77/77,423.08
  6. Step 6: Final answer
    x = 62,893.34

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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.