Home / 124,545.04-171,865-70,822.48

Finding the Fourth Proportional to 124,545.04, 171,865 and 70,822.48

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Solution

The fourth proportional to 124,545.04, 171,865 and 70,822.48 is: 97,730.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,545.04 : 171,865 = 70,822.48 : x
  2. Step 2: Convert to fraction form
    124,545.04/171,865 = 70,822.48/x
  3. Step 3: Cross multiply
    124,545.04x = 171,865 × 70,822.48
  4. Step 4: Simplify right side
    124,545.04x = 12,171,905,525.20
  5. Step 5: Solve for x
    x = 12,171,905,525.20/124,545.04
  6. Step 6: Final answer
    x = 97,730.95

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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.