Home / 113,309.04-156,222-70,852.08

Finding the Fourth Proportional to 113,309.04, 156,222 and 70,852.08

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Solution

The fourth proportional to 113,309.04, 156,222 and 70,852.08 is: 97,685.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,309.04 : 156,222 = 70,852.08 : x
  2. Step 2: Convert to fraction form
    113,309.04/156,222 = 70,852.08/x
  3. Step 3: Cross multiply
    113,309.04x = 156,222 × 70,852.08
  4. Step 4: Simplify right side
    113,309.04x = 11,068,653,641.76
  5. Step 5: Solve for x
    x = 11,068,653,641.76/113,309.04
  6. Step 6: Final answer
    x = 97,685.53

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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.