Home / 64,192.23-88,558.11-42,978.33

Finding the Fourth Proportional to 64,192.23, 88,558.11 and 42,978.33

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Solution

The fourth proportional to 64,192.23, 88,558.11 and 42,978.33 is: 59,291.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,192.23 : 88,558.11 = 42,978.33 : x
  2. Step 2: Convert to fraction form
    64,192.23/88,558.11 = 42,978.33/x
  3. Step 3: Cross multiply
    64,192.23x = 88,558.11 × 42,978.33
  4. Step 4: Simplify right side
    64,192.23x = 3,806,079,675.76
  5. Step 5: Solve for x
    x = 3,806,079,675.76/64,192.23
  6. Step 6: Final answer
    x = 59,291.91

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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.