Home / 110,420.16-152,384.40-62,677.95

Finding the Fourth Proportional to 110,420.16, 152,384.40 and 62,677.95

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Solution

The fourth proportional to 110,420.16, 152,384.40 and 62,677.95 is: 86,498.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,420.16 : 152,384.40 = 62,677.95 : x
  2. Step 2: Convert to fraction form
    110,420.16/152,384.40 = 62,677.95/x
  3. Step 3: Cross multiply
    110,420.16x = 152,384.40 × 62,677.95
  4. Step 4: Simplify right side
    110,420.16x = 9,551,141,803.98
  5. Step 5: Solve for x
    x = 9,551,141,803.98/110,420.16
  6. Step 6: Final answer
    x = 86,498.17

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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.