Home / 70,434.66-105,655.23-28,852.50

Finding the Fourth Proportional to 70,434.66, 105,655.23 and 28,852.50

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Solution

The fourth proportional to 70,434.66, 105,655.23 and 28,852.50 is: 43,280.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,434.66 : 105,655.23 = 28,852.50 : x
  2. Step 2: Convert to fraction form
    70,434.66/105,655.23 = 28,852.50/x
  3. Step 3: Cross multiply
    70,434.66x = 105,655.23 × 28,852.50
  4. Step 4: Simplify right side
    70,434.66x = 3,048,417,523.58
  5. Step 5: Solve for x
    x = 3,048,417,523.58/70,434.66
  6. Step 6: Final answer
    x = 43,280.08

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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.