Home / 110,420.95-152,381.64-62,675.10

Finding the Fourth Proportional to 110,420.95, 152,381.64 and 62,675.10

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Solution

The fourth proportional to 110,420.95, 152,381.64 and 62,675.10 is: 86,492.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,420.95 : 152,381.64 = 62,675.10 : x
  2. Step 2: Convert to fraction form
    110,420.95/152,381.64 = 62,675.10/x
  3. Step 3: Cross multiply
    110,420.95x = 152,381.64 × 62,675.10
  4. Step 4: Simplify right side
    110,420.95x = 9,550,534,525.16
  5. Step 5: Solve for x
    x = 9,550,534,525.16/110,420.95
  6. Step 6: Final answer
    x = 86,492.05

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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.