Home / 51,807.19-77,710.80-14,376.70

Finding the Fourth Proportional to 51,807.19, 77,710.80 and 14,376.70

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Solution

The fourth proportional to 51,807.19, 77,710.80 and 14,376.70 is: 21,565.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,807.19 : 77,710.80 = 14,376.70 : x
  2. Step 2: Convert to fraction form
    51,807.19/77,710.80 = 14,376.70/x
  3. Step 3: Cross multiply
    51,807.19x = 77,710.80 × 14,376.70
  4. Step 4: Simplify right side
    51,807.19x = 1,117,224,858.36
  5. Step 5: Solve for x
    x = 1,117,224,858.36/51,807.19
  6. Step 6: Final answer
    x = 21,565.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.