Home / 71,111.58-98,127.63-40,888.86

Finding the Fourth Proportional to 71,111.58, 98,127.63 and 40,888.86

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Solution

The fourth proportional to 71,111.58, 98,127.63 and 40,888.86 is: 56,422.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,111.58 : 98,127.63 = 40,888.86 : x
  2. Step 2: Convert to fraction form
    71,111.58/98,127.63 = 40,888.86/x
  3. Step 3: Cross multiply
    71,111.58x = 98,127.63 × 40,888.86
  4. Step 4: Simplify right side
    71,111.58x = 4,012,326,925.20
  5. Step 5: Solve for x
    x = 4,012,326,925.20/71,111.58
  6. Step 6: Final answer
    x = 56,422.98

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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.