Home / 110,875.30-166,312.95-40,740.10

Finding the Fourth Proportional to 110,875.30, 166,312.95 and 40,740.10

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Solution

The fourth proportional to 110,875.30, 166,312.95 and 40,740.10 is: 61,110.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,875.30 : 166,312.95 = 40,740.10 : x
  2. Step 2: Convert to fraction form
    110,875.30/166,312.95 = 40,740.10/x
  3. Step 3: Cross multiply
    110,875.30x = 166,312.95 × 40,740.10
  4. Step 4: Simplify right side
    110,875.30x = 6,775,606,214.30
  5. Step 5: Solve for x
    x = 6,775,606,214.30/110,875.30
  6. Step 6: Final answer
    x = 61,110.15

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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.