Home / 77,962.58-107,588.38-42,152.58

Finding the Fourth Proportional to 77,962.58, 107,588.38 and 42,152.58

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Solution

The fourth proportional to 77,962.58, 107,588.38 and 42,152.58 is: 58,170.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,962.58 : 107,588.38 = 42,152.58 : x
  2. Step 2: Convert to fraction form
    77,962.58/107,588.38 = 42,152.58/x
  3. Step 3: Cross multiply
    77,962.58x = 107,588.38 × 42,152.58
  4. Step 4: Simplify right side
    77,962.58x = 4,535,127,795.02
  5. Step 5: Solve for x
    x = 4,535,127,795.02/77,962.58
  6. Step 6: Final answer
    x = 58,170.57

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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.