Home / 77,726.85-107,280.98-45,476.47

Finding the Fourth Proportional to 77,726.85, 107,280.98 and 45,476.47

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Solution

The fourth proportional to 77,726.85, 107,280.98 and 45,476.47 is: 62,768.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,726.85 : 107,280.98 = 45,476.47 : x
  2. Step 2: Convert to fraction form
    77,726.85/107,280.98 = 45,476.47/x
  3. Step 3: Cross multiply
    77,726.85x = 107,280.98 × 45,476.47
  4. Step 4: Simplify right side
    77,726.85x = 4,878,760,268.54
  5. Step 5: Solve for x
    x = 4,878,760,268.54/77,726.85
  6. Step 6: Final answer
    x = 62,768.02

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1.5x scale

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.