Home / 72,877.36-100,595.93-42,672.39

Finding the Fourth Proportional to 72,877.36, 100,595.93 and 42,672.39

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Solution

The fourth proportional to 72,877.36, 100,595.93 and 42,672.39 is: 58,902.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,877.36 : 100,595.93 = 42,672.39 : x
  2. Step 2: Convert to fraction form
    72,877.36/100,595.93 = 42,672.39/x
  3. Step 3: Cross multiply
    72,877.36x = 100,595.93 × 42,672.39
  4. Step 4: Simplify right side
    72,877.36x = 4,292,668,732.63
  5. Step 5: Solve for x
    x = 4,292,668,732.63/72,877.36
  6. Step 6: Final answer
    x = 58,902.64

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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.