Home / 124,488.60-171,778.05-70,772.46

Finding the Fourth Proportional to 124,488.60, 171,778.05 and 70,772.46

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Solution

The fourth proportional to 124,488.60, 171,778.05 and 70,772.46 is: 97,656.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,488.60 : 171,778.05 = 70,772.46 : x
  2. Step 2: Convert to fraction form
    124,488.60/171,778.05 = 70,772.46/x
  3. Step 3: Cross multiply
    124,488.60x = 171,778.05 × 70,772.46
  4. Step 4: Simplify right side
    124,488.60x = 12,157,155,172.50
  5. Step 5: Solve for x
    x = 12,157,155,172.50/124,488.60
  6. Step 6: Final answer
    x = 97,656.77

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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.