Home / 77,877.08-107,470.50-46,061.72

Finding the Fourth Proportional to 77,877.08, 107,470.50 and 46,061.72

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Solution

The fourth proportional to 77,877.08, 107,470.50 and 46,061.72 is: 63,565.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,877.08 : 107,470.50 = 46,061.72 : x
  2. Step 2: Convert to fraction form
    77,877.08/107,470.50 = 46,061.72/x
  3. Step 3: Cross multiply
    77,877.08x = 107,470.50 × 46,061.72
  4. Step 4: Simplify right side
    77,877.08x = 4,950,276,079.26
  5. Step 5: Solve for x
    x = 4,950,276,079.26/77,877.08
  6. Step 6: Final answer
    x = 63,565.25

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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.