Home / 76,372.47-105,389.25-46,139.93

Finding the Fourth Proportional to 76,372.47, 105,389.25 and 46,139.93

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Solution

The fourth proportional to 76,372.47, 105,389.25 and 46,139.93 is: 63,670.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,372.47 : 105,389.25 = 46,139.93 : x
  2. Step 2: Convert to fraction form
    76,372.47/105,389.25 = 46,139.93/x
  3. Step 3: Cross multiply
    76,372.47x = 105,389.25 × 46,139.93
  4. Step 4: Simplify right side
    76,372.47x = 4,862,652,572.53
  5. Step 5: Solve for x
    x = 4,862,652,572.53/76,372.47
  6. Step 6: Final answer
    x = 63,670.23

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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.