Home / 76,369.35-105,417.69-46,155.81

Finding the Fourth Proportional to 76,369.35, 105,417.69 and 46,155.81

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Solution

The fourth proportional to 76,369.35, 105,417.69 and 46,155.81 is: 63,711.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,369.35 : 105,417.69 = 46,155.81 : x
  2. Step 2: Convert to fraction form
    76,369.35/105,417.69 = 46,155.81/x
  3. Step 3: Cross multiply
    76,369.35x = 105,417.69 × 46,155.81
  4. Step 4: Simplify right side
    76,369.35x = 4,865,638,870.28
  5. Step 5: Solve for x
    x = 4,865,638,870.28/76,369.35
  6. Step 6: Final answer
    x = 63,711.93

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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.