Home / 76,373.47-105,390.63-46,140.93

Finding the Fourth Proportional to 76,373.47, 105,390.63 and 46,140.93

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Solution

The fourth proportional to 76,373.47, 105,390.63 and 46,140.93 is: 63,671.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,373.47 : 105,390.63 = 46,140.93 : x
  2. Step 2: Convert to fraction form
    76,373.47/105,390.63 = 46,140.93/x
  3. Step 3: Cross multiply
    76,373.47x = 105,390.63 × 46,140.93
  4. Step 4: Simplify right side
    76,373.47x = 4,862,821,681.49
  5. Step 5: Solve for x
    x = 4,862,821,681.49/76,373.47
  6. Step 6: Final answer
    x = 63,671.61

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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.