Home / 62,079.47-85,643.54-39,068.53

Finding the Fourth Proportional to 62,079.47, 85,643.54 and 39,068.53

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Solution

The fourth proportional to 62,079.47, 85,643.54 and 39,068.53 is: 53,898.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,079.47 : 85,643.54 = 39,068.53 : x
  2. Step 2: Convert to fraction form
    62,079.47/85,643.54 = 39,068.53/x
  3. Step 3: Cross multiply
    62,079.47x = 85,643.54 × 39,068.53
  4. Step 4: Simplify right side
    62,079.47x = 3,345,966,783.58
  5. Step 5: Solve for x
    x = 3,345,966,783.58/62,079.47
  6. Step 6: Final answer
    x = 53,898.12

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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.