Home / 66,803.09-92,143.91-42,959.93

Finding the Fourth Proportional to 66,803.09, 92,143.91 and 42,959.93

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Solution

The fourth proportional to 66,803.09, 92,143.91 and 42,959.93 is: 59,256.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,803.09 : 92,143.91 = 42,959.93 : x
  2. Step 2: Convert to fraction form
    66,803.09/92,143.91 = 42,959.93/x
  3. Step 3: Cross multiply
    66,803.09x = 92,143.91 × 42,959.93
  4. Step 4: Simplify right side
    66,803.09x = 3,958,495,248.01
  5. Step 5: Solve for x
    x = 3,958,495,248.01/66,803.09
  6. Step 6: Final answer
    x = 59,256.17

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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.