Home / 113,575.04-170,254.10-42,478.40

Finding the Fourth Proportional to 113,575.04, 170,254.10 and 42,478.40

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Solution

The fourth proportional to 113,575.04, 170,254.10 and 42,478.40 is: 63,677.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,575.04 : 170,254.10 = 42,478.40 : x
  2. Step 2: Convert to fraction form
    113,575.04/170,254.10 = 42,478.40/x
  3. Step 3: Cross multiply
    113,575.04x = 170,254.10 × 42,478.40
  4. Step 4: Simplify right side
    113,575.04x = 7,232,120,697.78
  5. Step 5: Solve for x
    x = 7,232,120,697.78/113,575.04
  6. Step 6: Final answer
    x = 63,677.03

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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.