Home / 72,877.19-109,332.53-37,809.05

Finding the Fourth Proportional to 72,877.19, 109,332.53 and 37,809.05

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Solution

The fourth proportional to 72,877.19, 109,332.53 and 37,809.05 is: 56,722.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,877.19 : 109,332.53 = 37,809.05 : x
  2. Step 2: Convert to fraction form
    72,877.19/109,332.53 = 37,809.05/x
  3. Step 3: Cross multiply
    72,877.19x = 109,332.53 × 37,809.05
  4. Step 4: Simplify right side
    72,877.19x = 4,133,759,093.40
  5. Step 5: Solve for x
    x = 4,133,759,093.40/72,877.19
  6. Step 6: Final answer
    x = 56,722.26

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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.