Home / 61,038.02-91,465.07-54,386.42

Finding the Fourth Proportional to 61,038.02, 91,465.07 and 54,386.42

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Solution

The fourth proportional to 61,038.02, 91,465.07 and 54,386.42 is: 81,497.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,038.02 : 91,465.07 = 54,386.42 : x
  2. Step 2: Convert to fraction form
    61,038.02/91,465.07 = 54,386.42/x
  3. Step 3: Cross multiply
    61,038.02x = 91,465.07 × 54,386.42
  4. Step 4: Simplify right side
    61,038.02x = 4,974,456,983.09
  5. Step 5: Solve for x
    x = 4,974,456,983.09/61,038.02
  6. Step 6: Final answer
    x = 81,497.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.